Fix T67860: missing 3d cursor update when picking texture clone location

Reviewers: sergey

Maniphest Tasks: T67860

Differential Revision: https://developer.blender.org/D5360

source/blender/editors/sculpt_paint/paint_image_proj.c

@@ -5733,6 +5733,7 @@ void paint_proj_stroke(const bContext *C,
       return;
     }
 
+    DEG_id_tag_update(&scene->id, ID_RECALC_COPY_ON_WRITE);
     ED_region_tag_redraw(ar);
 
     return;