renderer: draw surface at full size unconditionally w/ edge clamping

src/gfx_api.rs

@@ -706,6 +706,7 @@ impl dyn GfxFramebuffer {
                 Rect::new_saturating(0, 0, width, height)
             },
             icons: None,
+            stretch: None,
         };
         cursor.render_hardware_cursor(&mut renderer);
         self.render(
@@ -1039,6 +1040,7 @@ pub fn create_render_pass(
             Rect::new_saturating(0, 0, width, height)
         },
         icons: state.icons.get(state, scale),
+        stretch: None,
     };
     node.node_render(&mut renderer, 0, 0, None);
     if let Some(rect) = cursor_rect {