Only try to scroll to element when the target path exactly matches th…

…e base path of the current page

Fixes #121045

For pages that set `<base>`, if the target of link click goes to different path than the current page (taken from `base`), treat it as a normal link open instead

src/vs/workbench/contrib/webview/browser/pre/main.js

@@ -324,8 +324,8 @@ export async function createWebviewManager(host) {
 			if (node.tagName && node.tagName.toLowerCase() === 'a' && node.href) {
 				if (node.getAttribute('href') === '#') {
 					event.view.scrollTo(0, 0);
-				} else if (node.hash && (node.getAttribute('href') === node.hash || (baseElement && node.href.indexOf(baseElement.href) >= 0))) {
-					let scrollTarget = event.view.document.getElementById(node.hash.substr(1, node.hash.length - 1));
+				} else if (node.hash && (node.getAttribute('href') === node.hash || (baseElement && node.href === baseElement.href + node.hash))) {
+					const scrollTarget = event.view.document.getElementById(node.hash.substr(1, node.hash.length - 1));
 					if (scrollTarget) {
 						scrollTarget.scrollIntoView();
 					}