Hardcode commit for webview endpoint in public product.json

Fixes #135641

Also fixes duplicated names `webEndpointUrlTemplate` and `webContentExternalBaseUrlTemplate`

product.json

@@ -23,7 +23,7 @@
 	"licenseFileName": "LICENSE.txt",
 	"reportIssueUrl": "https://github.com/microsoft/vscode/issues/new",
 	"urlProtocol": "code-oss",
-	"webviewContentExternalBaseUrlTemplate": "https://{{uuid}}.vscode-webview.net/{{quality}}/{{commit}}/out/vs/workbench/contrib/webview/browser/pre/",
+	"webEndpointUrlTemplate": "https://{{uuid}}.vscode-webview.net/{{quality}}/5f19eee5dc9588ca96192f89587b5878b7d7180d/out/vs/workbench/contrib/webview/browser/pre/",
 	"extensionAllowedProposedApi": [
 		"ms-vscode.vscode-js-profile-flame",
 		"ms-vscode.vscode-js-profile-table",

src/vs/base/common/product.ts

@@ -144,8 +144,6 @@ export interface IProductConfiguration {
 	readonly 'configurationSync.store'?: ConfigurationSyncStore;
 
 	readonly darwinUniversalAssetId?: string;
-
-	readonly webviewContentExternalBaseUrlTemplate?: string;
 }
 
 export type ImportantExtensionTip = { name: string; languages?: string[]; pattern?: string; isExtensionPack?: boolean };

src/vs/workbench/services/environment/browser/environmentService.ts

@@ -227,7 +227,7 @@ export class BrowserWorkbenchEnvironmentService implements IWorkbenchEnvironment
 	@memoize
 	get webviewExternalEndpoint(): string {
 		const endpoint = this.options.webviewEndpoint
-			|| this.productService.webviewContentExternalBaseUrlTemplate
+			|| this.productService.webEndpointUrlTemplate
 			|| 'https://{{uuid}}.vscode-webview.net/{{quality}}/{{commit}}/out/vs/workbench/contrib/webview/browser/pre/';
 
 		const webviewExternalEndpointCommit = this.payload?.get('webviewExternalEndpointCommit');