UI: enable the depend-on-cursor flag for some operators

- Bend (Transform).
- Extrude to Cursor.
- Lasso Select (related operators such as node-cut links, mask.. etc).
- Rip Mesh / UV's.
- Vertex/Edge Slide.

source/blender/windowmanager/intern/wm_gesture_ops.c

@@ -818,6 +818,8 @@ void WM_OT_lasso_gesture(wmOperatorType *ot)
 
   ot->poll = WM_operator_winactive;
 
+  ot->flag = OPTYPE_DEPENDS_ON_CURSOR;
+
   prop = RNA_def_property(ot->srna, "path", PROP_COLLECTION, PROP_NONE);
   RNA_def_property_struct_runtime(ot->srna, prop, &RNA_OperatorMousePath);
 }