1.Always pop up to switch support type for PVA filaments
2.Rename the old "on_filament_change" to "on_filament_count_change",
add a new function as "on_filament_change"
jira:NONE
Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: Ib5a96f2334bbe016db6661864d44e66c1fc5660f
(cherry picked from commit a17aa8c701d05cee57fb9d422a5bcde9f434fd7b)