HBASE-15358 canEnforceTimeLimitFromScope should use timeScope instead of sizeScope

Signed-off-by: zhangduo <zhangduo@apache.org>

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ScannerContext.java

@@ -626,7 +626,7 @@ public class ScannerContext {
      * @return true when the limit can be enforced from the scope of the checker
      */
     boolean canEnforceTimeLimitFromScope(LimitScope checkerScope) {
-      return this.sizeScope.canEnforceLimitFromScope(checkerScope);
+      return this.timeScope.canEnforceLimitFromScope(checkerScope);
     }
 
     @Override