fix(@angular/build): pass load cache to compiler plugin and escape extension regex in polyfills

Ensure sourceFileCache.loadResultCache is forwarded when creating compiler
plugin options for browser polyfills, escape the file extension regex in
entryFileToWorkspaceRelative, and add a missing semicolon in SSR bundle options.

Author: alan-agius4

packages/angular/build/src/tools/esbuild/application-code-bundle.ts

@@ -141,8 +141,8 @@ export function createBrowserPolyfillBundleOptions(
     buildOptions.plugins ??= [];
     const pluginOptions = createCompilerPluginOptions(
       options,
-
       sourceFileCache,
+      sourceFileCache.loadResultCache,
     );
     buildOptions.plugins.push(
       createCompilerPlugin(
@@ -501,7 +501,7 @@ export function createSsrEntryCodeBundleOptions(
             // The below is needed to avoid
             // `Import "default" will always be undefined because there is no matching export` warning when no default is present.
             `const defaultExportName = 'default';`,
-            `export default server[defaultExportName]`,
+            `export default server[defaultExportName];`,
 
             // Add @angular/ssr exports
             `export { AngularAppEngine } from '@angular/ssr';`,
@@ -764,7 +764,7 @@ function getEsBuildCommonPolyfillsOptions(
 }
 
 function entryFileToWorkspaceRelative(workspaceRoot: string, entryFile: string): string {
-  return './' + toPosixPath(relative(workspaceRoot, entryFile).replace(/.[mc]?ts$/, ''));
+  return './' + toPosixPath(relative(workspaceRoot, entryFile).replace(/\.[mc]?ts$/, ''));
 }
 
 /**