Outliner: Modifier drop link and cleanup

Allow drag and drop from modifier base to another object to link
modifiers. Also clean up the code.

There are still issues with the modifier reorder.

1 files changed, 1 insertions, 0 deletions

diff --git a/source/blender/editors/space_outliner/outliner_draw.c b/source/blender/editors/space_outliner/outliner_draw.c
index 2abdd3aee1f..8c1953064a4 100644
--- a/source/blender/editors/space_outliner/outliner_draw.c
+++ b/source/blender/editors/space_outliner/outliner_draw.c
@@ -2147,6 +2147,7 @@ TreeElementIcon tree_element_get_icon(TreeStoreElem *tselem, TreeElement *te)
       }
       case TSE_MODIFIER_BASE:
         data.icon = ICON_MODIFIER_DATA;
+        data.drag_id = tselem->id;
         break;
       case TSE_LINKED_OB:
         data.icon = ICON_OBJECT_DATA;