refactor: [UEPR-176] address review comments

Author: MiroslavDionisiev

webpack.config.js

@@ -273,7 +273,7 @@ module.exports = {
             'process.env.ASSET_HOST': `"${process.env.ASSET_HOST || 'https://assets.scratch.mit.edu'}"`,
             'process.env.BACKPACK_HOST': `"${process.env.BACKPACK_HOST || 'https://backpack.scratch.mit.edu'}"`,
             'process.env.CLOUDDATA_HOST': `"${process.env.CLOUDDATA_HOST || 'clouddata.scratch.mit.edu'}"`,
-            'process.env.PROJECT_HOST': `"${process.env.PROJECT_HOST || 'http://localhost:8444'}"`,
+            'process.env.PROJECT_HOST': `"${process.env.PROJECT_HOST || 'https://projects.scratch.mit.edu'}"`,
             'process.env.STATIC_HOST': `"${process.env.STATIC_HOST || 'https://uploads.scratch.mit.edu'}"`,
             'process.env.SCRATCH_ENV': `"${process.env.SCRATCH_ENV || 'development'}"`,
             'process.env.THUMBNAIL_URI': `"${process.env.THUMBNAIL_URI || '/internalapi/project/thumbnail/{}/set/'}"`,