shell: Unify element_for_(x11_|wl_)surface

src/wayland/handlers/input_method.rs

@@ -31,7 +31,7 @@ impl InputMethodHandler for State {
     fn parent_geometry(&self, parent: &WlSurface) -> Rectangle<i32, smithay::utils::Logical> {
         self.common
             .shell
-            .element_for_wl_surface(parent)
+            .element_for_surface(parent)
             .map(|e| e.geometry())
             .unwrap_or_default()
     }