fix(bazel): http server should support loading jsonp files

An actual file may be resolved, but with URL params. The params
should be omitted when we resolve a file from the runfiles.

bazel/http-server/server.ts

@@ -101,7 +101,8 @@ export class HttpServer {
     ) {
       res.end(this._getIndexHtmlContent());
     } else {
-      const resolvedPath = this._resolveUrlFromRunfiles(req.url);
+      const pathname = this._getPathnameFromRequestURL(req.url);
+      const resolvedPath = this._resolveUrlFromRunfiles(pathname);
 
       if (resolvedPath === null) {
         res.statusCode = 404;
@@ -113,6 +114,14 @@ export class HttpServer {
     }
   }
 
+  /**
+   * Gets the pathname from a given request URL.
+   * e.g. `/some_file.json?jsonp=bla` -> `/some_file.json`.
+   */
+  private _getPathnameFromRequestURL(reqURL: string) {
+    return new URL(reqURL, `http://_`).pathname;
+  }
+
   /** Resolves a given URL from the runfiles using the corresponding manifest path. */
   private _resolveUrlFromRunfiles(url: string): string | null {
     for (let rootPath of this._rootPaths) {