Add disable use light in file checker

1.9.1

- fix: add error handling on palette linker when blend_path isn't valid anymore
- added: file checker entry, Disable all GP object `use lights` (True by default in addon pref `checklist`)
- added: WIP of Batch reproject all on cursor.
  - No UI. In search menu `Flat Reproject Selected On cursor` (idname `gp.batch_flat_reproject`)

OP_depth_move.py

@@ -102,7 +102,7 @@ class ODM_PT_sudden_depth_panel(bpy.types.Panel):
         layout = self.layout
         row = layout.row()
         row.operator('object.depth_proportional_move', text='Depth move', icon='TRANSFORM_ORIGINS')
-         """
+"""
 
 
 ### --- REGISTER ---