fix: show export to language icon only when copilot is active VSCODE-655 (#882)

* fix: show export to language icon only when copilot is active VSCODE-655

* test: increase timeout for manipulations with a file

* refactor: remove vscode.extensions.onDidChange

Author: alenakhineika

package.json

@@ -724,7 +724,7 @@
         {
           "command": "mdb.selectTargetForExportToLanguage",
           "group": "navigation@1",
-          "when": "mdb.isPlayground == true"
+          "when": "mdb.isPlayground == true && mdb.isCopilotActive == true"
         },
         {
           "command": "mdb.runPlayground",

src/mdbExtensionController.ts

@@ -168,6 +168,13 @@ export default class MDBExtensionController implements vscode.Disposable {
     this.showOverviewPageIfRecentlyInstalled();
     void this.showSurveyForEstablishedUsers();
     void this.showCopilotIntroductionForEstablishedUsers();
+
+    const copilot = vscode.extensions.getExtension('GitHub.copilot');
+    void vscode.commands.executeCommand(
+      'setContext',
+      'mdb.isCopilotActive',
+      copilot?.isActive
+    );
   }
 
   registerCommands = (): void => {

src/test/suite/participant/participant.test.ts

@@ -1698,6 +1698,8 @@ Schema:
       });
 
       suite('export to playground', function () {
+        this.timeout(5000);
+
         beforeEach(async function () {
           await vscode.commands.executeCommand(
             'workbench.action.files.newUntitledFile'