fix: Detect read-only Docker volumes with long-form syntax and enable refresh

- Fixed isReadOnlyVolume() to detect both short-form (:ro) and long-form (read_only: true) Docker Compose volume syntax
- Fixed path matching to use mount_path only (fs_path is transformed during parsing from ./file to absolute path)
- Added "Load from server" button for read-only volumes to allow users to refresh content
- Changed loadStorageOnServer() authorization from 'update' to 'view' since loading is a read operation
- Added helper text to Content field warning users that content may be outdated
- Applied fixes to both LocalFileVolume and LocalPersistentVolume models

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/Livewire/Project/Service/FileStorage.php

@@ -104,7 +104,8 @@ class FileStorage extends Component
     public function loadStorageOnServer()
     {
         try {
-            $this->authorize('update', $this->resource);
+            // Loading content is a read operation, so we use 'view' permission
+            $this->authorize('view', $this->resource);
 
             $this->fileStorage->loadStorageOnServer();
             $this->syncData();