i18n(fr): complete French translation to 100% + extract 3DPrinterOS dialog (#14037)

i18n(fr): complete French translation and extract 3DPrinterOS dialog

Translation (localization/i18n/fr/OrcaSlicer_fr.po):
- Translate 222 missing strings and revise 23 fuzzy entries (vouvoiement)
- Quality review of the existing catalog: fix 42 entries
  - "supported" calque -> "pris en charge" (physical sense -> "soutenu")
  - accented capitals (Emission -> Émission, Editer -> Modifier)
  - "cryptage" -> "chiffrement"; "initiés" -> "lancés"; "impacté" -> "affecté"
  - "basé sur" rephrased contextually; ASCII "..." -> "…" in FR strings
- Result: 0 untranslated, 0 fuzzy; placeholders preserved; msgfmt clean

Extraction (3DPrinterOS upload dialog, src/slic3r/Utils/3DPrinterOS.cpp):
- Wrap 9 hardcoded user-facing strings in _L()
- Align the radio-label comparison on _L() so the show/hide logic
  keeps working once the label is translated
- Add the file to localization/i18n/list.txt for gettext extraction
- Add the 7 new msgids to OrcaSlicer.pot and translate them in fr.po

Co-authored-by: SoftFever <softfeverever@gmail.com>

localization/i18n/OrcaSlicer.pot

@@ -19712,3 +19712,24 @@ msgstr ""
 #: resources/data/hints.ini: [hint:Avoid warping]
 msgid "Avoid warping\nDid you know that when printing materials that are prone to warping such as ABS, appropriately increasing the heatbed temperature can reduce the probability of warping?"
 msgstr ""
+
+msgid "3DPrinterOS Cloud upload options"
+msgstr ""
+
+msgid "Single file"
+msgstr ""
+
+msgid "Project File"
+msgstr ""
+
+msgid "Project:"
+msgstr ""
+
+msgid "Printer type:"
+msgstr ""
+
+msgid "Printer type not found, please select manually."
+msgstr ""
+
+msgid "Authorizing..."
+msgstr ""

localization/i18n/list.txt

@@ -218,6 +218,7 @@ src/slic3r/GUI/CreatePresetsDialog.cpp
 src/slic3r/GUI/DailyTips.cpp
 src/slic3r/Utils/CalibUtils.cpp
 src/slic3r/GUI/PhysicalPrinterDialog.cpp
+src/slic3r/Utils/3DPrinterOS.cpp
 src/slic3r/Utils/AstroBox.cpp
 src/slic3r/Utils/Duet.cpp
 src/slic3r/Utils/FlashAir.cpp

src/slic3r/Utils/3DPrinterOS.cpp

@@ -44,7 +44,7 @@ public:
                         const wxString       preset_name)
         : Slic3r::GUI::DPIDialog(parent,
                                  wxID_ANY,
-                                 "3DPrinterOS Cloud upload options",
+                                 _L("3DPrinterOS Cloud upload options"),
                                  wxDefaultPosition,
                                  wxSize(100 * Slic3r::GUI::wxGetApp().em_unit(), -1),
                                  wxDEFAULT_DIALOG_STYLE),
@@ -54,15 +54,15 @@ public:
         SetBackgroundColour(*wxWHITE);
         SetForegroundColour(*wxBLACK);
 
-        singleRadio                = new wxRadioButton(this, wxID_ANY, "Single file", wxDefaultPosition, wxDefaultSize, wxRB_GROUP);
-        projectRadio               = new wxRadioButton(this, wxID_ANY, "Project File");
-        projectsLabel              = new wxStaticText(this, wxID_ANY, "Project:");
-        wxStaticText* printerLabel = new wxStaticText(this, wxID_ANY, "Printer type:");
+        singleRadio                = new wxRadioButton(this, wxID_ANY, _L("Single file"), wxDefaultPosition, wxDefaultSize, wxRB_GROUP);
+        projectRadio               = new wxRadioButton(this, wxID_ANY, _L("Project File"));
+        projectsLabel              = new wxStaticText(this, wxID_ANY, _L("Project:"));
+        wxStaticText* printerLabel = new wxStaticText(this, wxID_ANY, _L("Printer type:"));
 
         projectsComboBox    = new wxComboBox(this, wxID_ANY, wxString(""), wxDefaultPosition, wxDefaultSize, 0, nullptr, DD_NO_CHECK_ICON);
         printerTypeComboBox = new wxComboBox(this, wxID_ANY, wxString(""), wxDefaultPosition, wxDefaultSize, 0, nullptr, DD_NO_CHECK_ICON | wxTE_READONLY);
 
-        printerWarningLabel = new wxStaticText(this, wxID_ANY, "Printer type not found, please select manually.");
+        printerWarningLabel = new wxStaticText(this, wxID_ANY, _L("Printer type not found, please select manually."));
         printerWarningLabel->SetForegroundColour(*wxRED);
         printerWarningLabel->Hide();
 
@@ -83,8 +83,8 @@ public:
             }
         }
 
-        okButton               = new wxButton(this, wxID_OK, "OK");
-        wxButton* cancelButton = new wxButton(this, wxID_CANCEL, "Cancel");
+        okButton               = new wxButton(this, wxID_OK, _L("OK"));
+        wxButton* cancelButton = new wxButton(this, wxID_CANCEL, _L("Cancel"));
 
         wxBoxSizer* radioSizer = new wxBoxSizer(wxHORIZONTAL);
         wxBoxSizer* btnSizer   = new wxBoxSizer(wxHORIZONTAL);
@@ -120,7 +120,7 @@ public:
         wxRadioButton* selectedRadio = dynamic_cast<wxRadioButton*>(event.GetEventObject());
         if (selectedRadio) {
             wxString label = selectedRadio->GetLabel();
-            if (label == wxString("Project File")) {
+            if (label == _L("Project File")) {
                 projectsComboBox->Show();
                 projectsLabel->Show();
             } else {
@@ -182,8 +182,8 @@ public:
         SetForegroundColour(*wxBLACK);
 
         auto* sizer = new wxBoxSizer(wxVERTICAL);
-        sizer->Add(new wxStaticText(this, wxID_ANY, "Authorizing..."), 1, wxALL | wxCENTER, 10);
-        auto* cancelBtn = new wxButton(this, wxID_CANCEL, "Cancel");
+        sizer->Add(new wxStaticText(this, wxID_ANY, _L("Authorizing...")), 1, wxALL | wxCENTER, 10);
+        auto* cancelBtn = new wxButton(this, wxID_CANCEL, _L("Cancel"));
         sizer->Add(cancelBtn, 0, wxALL | wxALIGN_CENTER, 10);
         SetSizerAndFit(sizer);