Open created issues in editor instead of browser (#7046)

* Initial plan for issue

* Replace browser open with editor open for issue creation notification

Co-authored-by: alexr00 <38270282+alexr00@users.noreply.github.com>

* Complete implementation and validation of editor-based issue opening

Co-authored-by: alexr00 <38270282+alexr00@users.noreply.github.com>

* Capture folder manager as const

* Revert unrelated formatting changes to participantsPrompt.tsx

Co-authored-by: alexr00 <38270282+alexr00@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: alexr00 <38270282+alexr00@users.noreply.github.com>

Author: Copilot

src/issues/issueFeatureRegistrar.ts

@@ -27,6 +27,7 @@ import { OctokitCommon } from '../github/common';
 import { FolderRepositoryManager, PullRequestDefaults } from '../github/folderRepositoryManager';
 import { IProject } from '../github/interface';
 import { IssueModel } from '../github/issueModel';
+import { IssueOverviewPanel } from '../github/issueOverview';
 import { RepositoriesManager } from '../github/repositoriesManager';
 import { ISSUE_OR_URL_EXPRESSION, parseIssueExpressionOutput } from '../github/utils';
 import { chatCommand } from '../lm/utils';
@@ -1272,10 +1273,11 @@ ${options?.body ?? ''}\n
 			if (!folderManager) {
 				return false;
 			}
+			const constFolderManager: FolderRepositoryManager = folderManager;
 			progress.report({ message: vscode.l10n.t('Verifying that issue data is valid...') });
 			try {
 				if (!origin) {
-					origin = await folderManager.getPullRequestDefaults();
+					origin = await constFolderManager.getPullRequestDefaults();
 				}
 			} catch (e) {
 				// There is no remote
@@ -1296,11 +1298,11 @@ ${options?.body ?? ''}\n
 				milestone
 			};
 
-			if (!(await this.verifyLabels(folderManager, createParams))) {
+			if (!(await this.verifyLabels(constFolderManager, createParams))) {
 				return false;
 			}
 			progress.report({ message: vscode.l10n.t('Creating issue in {0}...', `${createParams.owner}/${createParams.repo}`) });
-			const issue = await folderManager.createIssue(createParams);
+			const issue = await constFolderManager.createIssue(createParams);
 			if (issue) {
 				if (copilotAssignee) {
 					const copilotUser = (await folderManager.getAssignableUsers())[issue.remote.remoteName].find(user => COPILOT_ACCOUNTS[user.login]);
@@ -1322,14 +1324,14 @@ ${options?.body ?? ''}\n
 					await vscode.workspace.applyEdit(edit);
 				} else {
 					const copyIssueUrl = vscode.l10n.t('Copy Issue Link');
-					const openIssue = vscode.l10n.t({ message: 'Open Issue', comment: 'Open the issue description in the browser to see it\'s full contents.' });
+					const openIssue = vscode.l10n.t({ message: 'Open Issue', comment: 'Open the issue description in the editor to see it\'s full contents.' });
 					vscode.window.showInformationMessage(vscode.l10n.t('Issue created'), copyIssueUrl, openIssue).then(async result => {
 						switch (result) {
 							case copyIssueUrl:
 								await vscode.env.clipboard.writeText(issue.html_url);
 								break;
 							case openIssue:
-								await vscode.env.openExternal(vscode.Uri.parse(issue.html_url));
+								await IssueOverviewPanel.createOrShow(this.telemetry, this.context.extensionUri, constFolderManager, issue);
 								break;
 						}
 					});