Fetch all pages of Padawan PRs (#7677)

* Revert "Fix secondary pr fetching. (#7670)"

This reverts commit b4b4347.

* Fetch all pages of Padawan PRs

Author: alexr00

src/github/copilotPrWatcher.ts

@@ -263,7 +263,7 @@ export class CopilotPRWatcher extends Disposable {
 					const items: PullRequestModel[] = [];
 					let hasMore = true;
 					do {
-						const prs = await folderManager.getPullRequests(PRType.Query, { fetchOnePagePerRepo: true, fetchNextPage: !hasMore }, query);
+						const prs = await folderManager.getPullRequests(PRType.Query, { fetchOnePagePerRepo: true, fetchNextPage: !this._model.isInitialized }, query);
 						items.push(...prs.items);
 						hasMore = prs.hasMorePages;
 					} while (hasMore);