UI: add offset edge slide to edge menu

This was only available in the context menu which only shows
when the selection was set to edge-mode, even though this
works in other modes.

release/scripts/startup/bl_ui/space_view3d.py

@@ -4005,6 +4005,7 @@ class VIEW3D_MT_edit_mesh_edges(Menu):
         layout.separator()
 
         layout.operator("transform.edge_slide")
+        layout.operator("mesh.offset_edge_loops_slide")
 
         layout.separator()