Update require base URL for VS Code loader

It needs to have the scheme otherwise when resolving these modules the
loader will default to the file scheme and fail to fetch.

src/browser/pages/vscode.ts

@@ -31,7 +31,8 @@ try {
 }
 
 ;(self.require as any) = {
-  baseUrl: `${options.csStaticBase}/lib/vscode/out`,
+  // Without the full URL VS Code will try to load file://.
+  baseUrl: `${window.location.origin}${options.csStaticBase}/lib/vscode/out`,
   recordStats: true,
   paths: {
     "vscode-textmate": `../node_modules/vscode-textmate/release/main`,