- Local Markers are now taken into account correctly for operators

that used markers. I might've missed a few still, but at least a few
more cases will work now
- Accidentally broke keyframe selection on group channels in gpencil
commit, after misreading a call name.

source/blender/editors/include/ED_markers.h

@@ -30,6 +30,7 @@
 
 struct wmKeyConfig;
 struct bContext;
+struct bAnimContext;
 struct TimeMarker;
 
 /* Drawing API ------------------------------ */
@@ -44,6 +45,9 @@ void draw_markers_time(const struct bContext *C, int flag);
 
 /* Backend API ----------------------------- */
 
+ListBase *ED_context_get_markers(const struct bContext *C);
+ListBase *ED_animcontext_get_markers(const struct bAnimContext *ac);
+
 struct TimeMarker *ED_markers_find_nearest_marker(ListBase *markers, float x);
 int ED_markers_find_nearest_marker_time(ListBase *markers, float x);