fix(ios) fix drag handle not rendering with latest react-native-svg

Fill must be properly specified.

react/features/base/dialog/components/native/styles.js

         underlayColor: ColorPalette.overflowMenuItemUnderlay
     },
 
-    expandIcon: {
-        color: schemeColor('icon')
-    },
-
     /**
      * Bottom sheet's base style.
      */

react/features/toolbox/components/native/OverflowMenu.js

                     styles.expandMenuContainer
                 ] }>
                 <TouchableOpacity onPress = { this._onToggleMenu }>
-                    { /* $FlowFixMeProps */ }
-                    <IconDragHandle style = { this.props._bottomSheetStyles.expandIcon } />
+                    { /* $FlowFixMe */ }
+                    <IconDragHandle
+                        fill = { this.props._bottomSheetStyles.buttons.iconStyle.color } />
                 </TouchableOpacity>
             </View>
         );