feat: enhance sidebar edit functionality and prevent text selection

- Added aria-label and type attributes to the edit button in the sidebar.
- Implemented a mechanism to prevent multiple edit triggers using requestAnimationFrame.
- Updated mousedown event handling to allow real controls while preventing text selection in WKWebView.

feat: add reconnectSession method to TabManager

- Introduced reconnectSession method to facilitate session reconnections by ID.

feat: implement disconnected overlay in terminal

- Added setDisconnectedOverlay method to show/hide a disconnected overlay for terminal sessions.
- Created _ensureDisconnectOverlay method to manage the overlay's existence and content.

feat: extend Service API with file-related functions

- Added FileExists and FileIsPrivateKey functions to check file existence and identify private keys.
- Introduced ListSSHKeys function to retrieve SSH private key paths from the user's .ssh directory.
- Implemented SFTPStat and SFTPUploadData functions for enhanced SFTP operations.

refactor: clean up code formatting and improve readability

- Adjusted code formatting for better readability across various files, including consistent use of line breaks and indentation.

frontend/src/js/tabs.js

@@ -120,6 +120,14 @@ class TabManager {
         }
     }
 
+    /**
+     * Reconnects a session by ID.
+     * @param {string} sessionId
+     */
+    reconnectSession(sessionId) {
+        return this._reconnect(sessionId);
+    }
+
     /**
      * Disconnects and closes a tab by session ID.
      * @param {string} sessionId