fix: Fix an extension activation when api proposal comes with version, like: chatSessionsProvider@3

Signed-off-by: Roman Nikitenko <rnikiten@redhat.com>

Author: RomanNikitenko

code/src/vs/workbench/services/extensions/common/che/extensions.ts

@@ -0,0 +1,39 @@
+/**********************************************************************
+ * Copyright (c) 2026 Red Hat, Inc.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ ***********************************************************************/
+
+import { ApiProposalName, allApiProposals } from "../../../../../platform/extensions/common/extensionsApiProposals.js";
+import { ILogService } from "../../../../../platform/log/common/log.js";
+
+/* eslint-disable header/header */
+
+function normalizeProposedApiName(name: string): ApiProposalName {
+    const match = /^(.+?)@\d+$/.exec(name);
+    return (match ? match[1] : name) as ApiProposalName;
+}
+
+export function normalizeAndFilterProposals(
+    logService: ILogService,
+    key: string,
+    proposals: readonly string[]
+): ApiProposalName[] {
+    const normalizedProposals: ApiProposalName[] = [];
+    for (const name of proposals) {
+        const normalizedName = normalizeProposedApiName(name);
+        const result = Boolean(allApiProposals[normalizedName]);
+        if (!result) {
+            logService.error(`Extension '${key}' wants API proposal '${name}' but that proposal DOES NOT EXIST. Likely, the proposal has been finalized (check 'vscode.d.ts') or was abandoned.`);
+            continue;
+        }
+        if (!normalizedProposals.includes(normalizedName)) {
+            normalizedProposals.push(normalizedName);
+        }
+    }
+    return normalizedProposals;
+}

code/src/vs/workbench/services/extensions/common/extensionsProposedApi.ts

@@ -16,6 +16,7 @@ import { IWorkbenchEnvironmentService } from '../../environment/common/environme
 import { Extensions, IExtensionFeatureMarkdownRenderer, IExtensionFeaturesRegistry, IRenderedData } from '../../extensionManagement/common/extensionFeatures.js';
 import { IMarkdownString, MarkdownString } from '../../../../base/common/htmlContent.js';
 import { Mutable } from '../../../../base/common/types.js';
+import { normalizeAndFilterProposals } from './che/extensions.js';
 
 export class ExtensionsProposedApi {
 
@@ -67,13 +68,7 @@ export class ExtensionsProposedApi {
 
 		// warn about invalid proposal and remove them from the list
 		if (isNonEmptyArray(extension.enabledApiProposals)) {
-			extension.enabledApiProposals = extension.enabledApiProposals.filter(name => {
-				const result = Boolean(allApiProposals[<ApiProposalName>name]);
-				if (!result) {
-					this._logService.error(`Extension '${key}' wants API proposal '${name}' but that proposal DOES NOT EXIST. Likely, the proposal has been finalized (check 'vscode.d.ts') or was abandoned.`);
-				}
-				return result;
-			});
+			extension.enabledApiProposals = normalizeAndFilterProposals(this._logService, key, extension.enabledApiProposals);
 		}