1.Use float to store the weight copmputed in the procedure.Avoid the
issue where filament weight remains at 0 after changing filaments
jira:NONE
Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: Iff0cfc6e22f34affbc232dbfe196f27ee06d2d9e
(cherry picked from commit 994e4f4840a6734ab479e10d39462cc692bc4d77)