UI: Add "Set Sharpness by Angle" to Edge menu

The recent operator added in https://projects.blender.org/blender/blender/commit/78963b466b
was only added to the context menu, however for consistency and discoverability,
the operator should also be added to the Edge menu.

scripts/startup/bl_ui/space_view3d.py

@@ -4691,6 +4691,9 @@ class VIEW3D_MT_edit_mesh_edges(Menu):
         props.use_verts = True
         props.clear = True
 
+        layout.operator("mesh.set_sharpness_by_angle")
+
+
         if with_freestyle:
             layout.separator()