fix(@desktop/communities): Restart fee timer only when the dialog is opened

Fix #11921

ui/app/AppLayouts/Communities/popups/BurnTokensPopup.qml

@@ -168,7 +168,9 @@ StatusDialog {
                 allTokensButton.checked
                 feesBox.accountsSelector.currentIndex
 
+                if (root.opened) {
                     requestFeeDelayTimer.restart()
+                }
                 return true
             }