added missing onOpenConnectionModal

src/containers/blocks.jsx

@@ -473,6 +473,7 @@ Blocks.propTypes = {
     messages: PropTypes.objectOf(PropTypes.string),
     onActivateColorPicker: PropTypes.func,
     onActivateCustomProcedures: PropTypes.func,
+    onOpenConnectionModal: PropTypes.func,
     onOpenSoundRecorder: PropTypes.func,
     onRequestCloseCustomProcedures: PropTypes.func,
     onRequestCloseExtensionLibrary: PropTypes.func,