react-native: avoid Haste module naming collision warnings

Warnings like this:

jest-haste-map: Haste module naming collision: StatusIm-Mobile
  The following files share their name; please adjust your hasteImpl:
    * <rootDir>/mobile/js_files/package.json
    * <rootDir>/package.json

Signed-off-by: Jakub Sokołowski <jakub@status.im>

rn-cli.config.js

@@ -2,6 +2,6 @@ const blacklist = require('metro').createBlacklist;
 
 module.exports = {
     getBlacklistRE: function() {
-        return blacklist([/desktop\/js_files\/.*/]);
+        return blacklist([/(desktop|mobile)\/js_files\/.*/]);
     }
 };