fix: window controls, dragging, and text selection

- Add Tauri permissions for window minimize/maximize/close/drag
- Rewrite WindowControls with plain buttons + stopPropagation
  to prevent drag region from capturing button clicks
- Add data-tauri-drag-region to TopBar child containers
- Make OpenPylon text pointer-events-none and select-none

src-tauri/capabilities/default.json

@@ -5,6 +5,14 @@
   "windows": ["main"],
   "permissions": [
     "core:default",
+    "core:window:allow-close",
+    "core:window:allow-minimize",
+    "core:window:allow-maximize",
+    "core:window:allow-unmaximize",
+    "core:window:allow-toggle-maximize",
+    "core:window:allow-is-maximized",
+    "core:window:allow-start-dragging",
+    "core:window:allow-set-focus",
     "opener:default",
     "dialog:default",
     "shell:default",