Add mapbox-gl-rtl-text library

This adds support for RTL languages (Arabic and Hebrew) in the basemaps.
Without this library the RTL languages appear backwards.

x-pack/legacy/plugins/maps/public/connected_components/map/mb/view.js

@@ -16,6 +16,7 @@ import { getGlyphUrl, isRetina } from '../../../meta';
 import { DECIMAL_DEGREES_PRECISION, ZOOM_PRECISION } from '../../../../common/constants';
 import mapboxgl from 'mapbox-gl/dist/mapbox-gl-csp';
 import mbWorkerUrl from '!!file-loader!mapbox-gl/dist/mapbox-gl-csp-worker';
+import mbRtlPlugin from '!!file-loader!@mapbox/mapbox-gl-rtl-text/mapbox-gl-rtl-text.min.js';
 import chrome from 'ui/chrome';
 import { spritesheet } from '@elastic/maki';
 import sprites1 from '@elastic/maki/dist/sprite@1.png';
@@ -24,6 +25,7 @@ import { DrawControl } from './draw_control';
 import { TooltipControl } from './tooltip_control';
 
 mapboxgl.workerUrl = mbWorkerUrl;
+mapboxgl.setRTLTextPlugin(mbRtlPlugin);
 
 export class MBMapContainer extends React.Component {
   state = {

x-pack/package.json

@@ -190,6 +190,7 @@
     "@kbn/interpreter": "1.0.0",
     "@kbn/ui-framework": "1.0.0",
     "@mapbox/mapbox-gl-draw": "^1.1.1",
+    "@mapbox/mapbox-gl-rtl-text": "0.2.3",
     "@scant/router": "^0.1.0",
     "@slack/webhook": "^5.0.0",
     "@turf/boolean-contains": "6.0.1",

yarn.lock

@@ -2204,6 +2204,11 @@
     lodash.isequal "^4.2.0"
     xtend "^4.0.1"
 
+"@mapbox/mapbox-gl-rtl-text@0.2.3":
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/@mapbox/mapbox-gl-rtl-text/-/mapbox-gl-rtl-text-0.2.3.tgz#a26ecfb3f0061456d93ee8570dd9587d226ea8bd"
+  integrity sha512-RaCYfnxULUUUxNwcUimV9C/o2295ktTyLEUzD/+VWkqXqvaVfFcZ5slytGzb2Sd/Jj4MlbxD0DCZbfa6CzcmMw==
+
 "@mapbox/mapbox-gl-supported@^1.4.0":
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/@mapbox/mapbox-gl-supported/-/mapbox-gl-supported-1.4.0.tgz#36946b22944fe2cfa43cfafd5ef36fdb54a069e4"