Fix an issue where defaultLinesDiffComputer does not pass in the timeout variable (#213035)

Update defaultLinesDiffComputer.ts

Author: Hanning Gong (Charles)

src/vs/editor/common/diff/defaultLinesDiffComputer/defaultLinesDiffComputer.ts

@@ -80,7 +80,8 @@ export class DefaultLinesDiffComputer implements ILinesDiffComputer {
 
 			return this.myersDiffingAlgorithm.compute(
 				sequence1,
-				sequence2
+				sequence2,
+				timeout
 			);
 		})();