GitHub - only prompt once to authenticate in the avatar provider (#249785)

extensions/github/src/auth.ts

@@ -77,7 +77,7 @@ export async function getOctokitGraphql(): Promise<graphql> {
 			})
 			.then(null, async err => {
 				_octokitGraphql = undefined;
-				throw err;
+				throw new AuthenticationError(err.message);
 			});
 	}
 

extensions/github/src/historyItemDetailsProvider.ts

@@ -117,7 +117,6 @@ export class GitHubSourceControlHistoryItemDetailsProvider implements SourceCont
 			return undefined;
 		}
 
-
 		try {
 			const logs = { cached: 0, email: 0, github: 0, incomplete: 0 };