added micIndicator prop validation

Author: benjiwheeler

src/containers/stage.jsx

@@ -389,6 +389,7 @@ class Stage extends React.Component {
 Stage.propTypes = {
     isColorPicking: PropTypes.bool,
     isFullScreen: PropTypes.bool.isRequired,
+    micIndicator: PropTypes.bool,
     onActivateColorPicker: PropTypes.func,
     onDeactivateColorPicker: PropTypes.func,
     stageSize: PropTypes.oneOf(Object.keys(STAGE_DISPLAY_SIZES)).isRequired,