Fix Blurhash worker on webOS 1.2

Webpack 5 doesn't polyfill Promise in the worker, so we use (deprecated) 'worker-loader', which does until Webpack 5 gets a fix.

webpack.common.js

@@ -101,6 +101,14 @@ module.exports = {
                     loader: 'babel-loader'
                 }]
             },
+            {
+                test: /\.worker\.ts$/,
+                exclude: /node_modules/,
+                use: [
+                    'worker-loader',
+                    'ts-loader'
+                ]
+            },
             {
                 test: /\.(ts|tsx)$/,
                 exclude: /node_modules/,