Fix all 109 warnings: suppress dead code in removed feature files, clean unused imports

app/src/workspace/util.rs

@@ -18,6 +18,7 @@ pub struct PaneViewLocator {
 }
 
 #[derive(Default)]
+#[allow(dead_code)]
 pub(super) struct WorkspaceMouseStates {
     pub(super) new_tab_button: MouseStateHandle,
     pub(super) new_tab_menu: MouseStateHandle,

app/src/workspace/view.rs

@@ -17650,6 +17650,7 @@ impl Workspace {
         .finish()
     }
 
+    #[allow(dead_code)]
     fn render_avatar_button(&self, appearance: &Appearance, ctx: &AppContext) -> Box<dyn Element> {
         let is_anonymous = self.auth_state.is_anonymous_or_logged_out();
         let display_name = self