[FIX] Element: Experimental note added to drag-and-drop metadata
[FIX] Element: Experimental note added to drag-and-drop metadata

Change-Id: I9408c39a174c9cf1d57e4c83b1e07b2c6c2a5c1e

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5