sessions: align pending checks with GitHub

Use the familiar static pending dot and aggregate 'Checks pending' label rather than a sync metaphor that implies active execution or refresh.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: chryw

src/vs/sessions/contrib/chat/test/browser/sessionChatInputToolbar.test.ts

@@ -701,7 +701,7 @@ suite('SessionChatInputToolbar', () => {
 		}, {
 			states: ['draft', 'closed', 'open', 'closed', 'merged', 'merged', 'open'],
 			descriptions: [
-				'draft. Checks running. https://github.com/microsoft/vscode/pull/1',
+				'draft. Checks pending. https://github.com/microsoft/vscode/pull/1',
 				'closed. https://github.com/microsoft/vscode/pull/1',
 				'failing checks. https://github.com/microsoft/vscode/pull/1',
 			],

src/vs/sessions/contrib/github/browser/pullRequestHover.ts

@@ -135,7 +135,7 @@ function getPullRequestChecksStatus(pullRequest: IGitHubPullRequest, ciStatus: G
 	}
 	switch (ciStatus) {
 		case GitHubCIOverallStatus.Pending:
-			return { kind: 'pending', label: localize('agentSessions.pullRequestHover.checksRunning', "Checks running"), icon: Codicon.syncCompact };
+			return { kind: 'pending', label: localize('agentSessions.pullRequestHover.checksPending', "Checks pending"), icon: Codicon.circleFilledCompact };
 		case GitHubCIOverallStatus.Failure:
 			return { kind: 'failure', label: localize('agentSessions.pullRequestHover.checksFailed', "Checks failed"), icon: Codicon.errorCompact };
 		case GitHubCIOverallStatus.Success:

src/vs/sessions/contrib/github/test/browser/pullRequestHover.test.ts

@@ -105,7 +105,7 @@ suite('createPullRequestHover', () => {
 			draft: render(GitHubCIOverallStatus.Success, makePullRequest({ isDraft: true })),
 			merged: render(GitHubCIOverallStatus.Success, makePullRequest({ state: GitHubPullRequestState.Merged })),
 		}, {
-			pending: { text: 'Checks running', status: 'pending', icon: 'codicon codicon-sync-compact', iconAriaHidden: 'true' },
+			pending: { text: 'Checks pending', status: 'pending', icon: 'codicon codicon-circle-filled-compact', iconAriaHidden: 'true' },
 			success: { text: 'Checks passed', status: 'success', icon: 'codicon codicon-pass-filled-compact', iconAriaHidden: 'true' },
 			failure: { text: 'Checks failed', status: 'failure', icon: 'codicon codicon-error-compact', iconAriaHidden: 'true' },
 			neutral: { text: undefined, status: undefined, icon: undefined, iconAriaHidden: undefined },