Fixing baseline errors

Author: navya9singh

tests/baselines/reference/completionsStringMethods.baseline

@@ -1078,7 +1078,7 @@
                   "target": {
                     "fileName": "lib.d.ts",
                     "textSpan": {
-                      "start": 19113,
+                      "start": 18875,
                       "length": 28
                     }
                   }
@@ -1101,7 +1101,7 @@
                   "target": {
                     "fileName": "lib.d.ts",
                     "textSpan": {
-                      "start": 19113,
+                      "start": 18875,
                       "length": 28
                     }
                   }