Move thread search into the command palette

apps/app/src/app.css

@@ -59,9 +59,9 @@
    * App chrome (sidebar, page headers, composer toolbars) opts out of text
    * selection with `select-none` so drags and Select All only pick up
    * content. `user-select: auto` resolves from the parent, so WebKit would
-   * carry that opt-out into editable controls inside those regions (the
-   * sidebar thread search, the inline thread-title rename) and refuse to
-   * select their text. Restore native selection on the controls themselves.
+   * carry that opt-out into editable controls inside those regions (for
+   * example the inline thread-title rename) and refuse to select their text.
+   * Restore native selection on the controls themselves.
    */
   .select-none
     :where(input, textarea, [contenteditable]:not([contenteditable="false"])) {