Update request_pane.dart

lib/widgets/request_pane.dart

@@ -63,17 +63,19 @@ class _RequestPaneState extends State<RequestPane>
                           widget.codePaneVisible
                               ? Icons.code_off_rounded
                               : Icons.code_rounded,
-                          size: 20,
+                          size: 18,
                         ),
-                        label: Text(
+                        label: SizedBox(
+                          width: 80,
+                          child: Text(
                             widget.codePaneVisible
                                 ? kLabelHideCode
                                 : kLabelViewCode,
-                          textAlign: TextAlign.center,
                             overflow: TextOverflow.ellipsis,
                             maxLines: 1,
                           ),
                         ),
+                      ),
                     ],
                   ),
                 ),