chore(StatusChatInput): add Esc handler to close reply area

similar to what pressing Esc does when editing a message

ui/imports/shared/status/StatusChatInput.qml

@@ -303,6 +303,9 @@ Rectangle {
                 event.accepted = true
                 messageTooLongDialog.open()
             }
+        } else if (event.key === Qt.Key_Escape && control.isReply) {
+            control.isReply = false
+            event.accepted = true
         }
 
         const symbolPressed = event.text.length > 0 &&