Added plugin dir parameter

- Added plugin dir parameter
- Fixed critical architectural bug that effects plugin UI in production mode
- Updated implementation of embed FS routing
- Minor dark theme update
- Fixed ztnc UI bug for msgbox and confirm box

src/web/components/plugincontext.html

@@ -1,6 +1,6 @@
 <div class="">
-    <iframe id="pluginContextLoader" src="" style="width: 100%; border: none;">
-
+    <iframe id="pluginContextLoader" src="" style="width: 100%; border: none;" allow="scripts" sandbox="allow-scripts allow-same-origin">
+    
     </iframe>
 </div>
 <script>