Remove inlay in diff views

If the left side of a diff view that contain the old
version of the file apply inlays they are misplaced.

The detection is done by blacklisting the url schemes used
by git and subversion scm extensions.

editors/code/src/inlay_hints.ts

@@ -4,6 +4,8 @@ import * as ra from './rust-analyzer-api';
 import { Ctx } from './ctx';
 import { log, sendRequestWithRetry } from './util';
 
+const noInlayUriSchemes = ['git', 'svn'];
+
 export function activateInlayHints(ctx: Ctx) {
     const hintsUpdater = new HintsUpdater(ctx);
     vscode.window.onDidChangeVisibleTextEditors(
@@ -90,7 +92,14 @@ class HintsUpdater {
 
     private get allEditors(): vscode.TextEditor[] {
         return vscode.window.visibleTextEditors.filter(
-            editor => editor.document.languageId === 'rust',
+            editor => {
+                if (editor.document.languageId !== 'rust') {
+                    return false;
+                }
+                const scheme = editor.document.uri.scheme;
+                const hasBlacklistedScheme = noInlayUriSchemes.some(s => s === scheme);
+                return !hasBlacklistedScheme;
+            },
         );
     }