Apply a suggestion

Author: scottming

apps/language_server/lib/language_server/experimental/code_mod/diff.ex

@@ -70,15 +70,8 @@ defmodule ElixirLS.LanguageServer.Experimental.CodeMod.Diff do
 
   defp apply_diff(:ins, {line, code_unit} = position, change, {current_line, prev_lines}) do
     current_line = [edit(change, line, code_unit, line, code_unit) | current_line]
-    advance_ins(change, position, {current_line, prev_lines})
-  end
-
-  defp advance_ins(<<>>, position, edits) do
-    {position, edits}
-  end
-
-  defp advance_ins(<<_c::utf8, rest::binary>>, position, edits) do
-    advance_ins(rest, position, edits)
+    # When inserting, the insert itself does not exist in source, so there is no need to advance
+    {position, {current_line, prev_lines}}
   end
 
   defp advance(<<>>, position, edits) do