Sequencer: disable fades add/remove until eval() use is removed

2ec025d7be introduced 'eval()' on blend
file data-paths which can be used for code injection.

release/scripts/startup/bl_operators/sequencer.py

@@ -364,6 +364,8 @@ classes = (
     SequencerCrossfadeSounds,
     SequencerCutMulticam,
     SequencerDeinterlaceSelectedMovies,
-    SequencerFadesClear,
-    SequencerFadesAdd,
+
+    # Disable until D5166#133312 is resolved.
+    # SequencerFadesClear,
+    # SequencerFadesAdd,
 )

release/scripts/startup/bl_ui/space_sequencer.py

@@ -502,9 +502,12 @@ class SEQUENCER_MT_add(Menu):
         col.menu("SEQUENCER_MT_add_transitions", icon='ARROW_LEFTRIGHT')
         col.enabled = selected_sequences_len(context) >= 2
 
+        # Disable until D5166#133312 is resolved.
+        '''
         col = layout.column()
         col.operator_menu_enum("sequencer.fades_add", "type", text="Fade", icon="IPO_EASE_IN_OUT")
         col.enabled = selected_sequences_len(context) >= 1
+        '''
 
 
 class SEQUENCER_MT_add_empty(Menu):
@@ -775,10 +778,13 @@ class SEQUENCER_MT_context_menu(Menu):
                 layout.separator()
                 layout.operator("sequencer.crossfade_sounds", text="Crossfade Sounds")
 
+            # Disable until D5166#133312 is resolved.
+            '''
             if selected_sequences_count >= 1:
                 col = layout.column()
                 col.operator_menu_enum("sequencer.fades_add", "type", text="Fade")
                 layout.operator("sequencer.fades_clear", text="Clear Fade")
+            '''
 
             if strip_type in {
                     'CROSS', 'ADD', 'SUBTRACT', 'ALPHA_OVER', 'ALPHA_UNDER',