fix(scene): clear selection after erase

src/app/commands/dim.rs

@@ -334,7 +334,9 @@ impl OpenCADStudio {
                     n += 1;
                 }
                 // Draw the text in front of its newly-added masks.
-                self.tabs[i].scene.selected = handles.iter().cloned().collect();
+                self.tabs[i]
+                    .scene
+                    .replace_selection(handles.iter().cloned().collect());
                 self.tabs[i].dirty = true;
                 self.command_line
                     .push_output(&format!("TEXTMASK: masked {n} text object(s)."));

src/app/commands/view.rs

@@ -754,7 +754,7 @@ impl OpenCADStudio {
                         .push_info(&format!("{cmd}: no text or dimension objects."));
                     return Some(Task::none());
                 }
-                self.tabs[i].scene.selected = handles;
+                self.tabs[i].scene.replace_selection(handles);
                 return self.dispatch_view(
                     if to_front {
                         "DRAWORDER FRONT"