Fix search options popup hidden by toolbar overflow clipping

The gear icon popup was invisible because the toolbar's overflow-y:hidden
clipped absolutely-positioned children. Switch to position:fixed and
compute coordinates from the button's bounding rect on each open.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: ozgesolidkey

src/renderer/renderer.ts

@@ -8889,6 +8889,11 @@ function init(): void {
   elements.btnSearchOptions.addEventListener('click', (e) => {
     e.stopPropagation();
     elements.searchOptionsPopup.classList.toggle('hidden');
+    if (!elements.searchOptionsPopup.classList.contains('hidden')) {
+      const rect = elements.btnSearchOptions.getBoundingClientRect();
+      elements.searchOptionsPopup.style.top = (rect.bottom + 4) + 'px';
+      elements.searchOptionsPopup.style.left = rect.left + 'px';
+    }
   });
 
   // Close search options popup on outside click

src/renderer/styles.css

@@ -280,9 +280,7 @@ body.platform-darwin .titlebar {
 }
 
 .search-options-popup {
-  position: absolute;
-  top: calc(100% + 4px);
-  left: 0;
+  position: fixed;
   background-color: var(--bg-secondary);
   border: 1px solid var(--border-color);
   border-radius: 4px;