Update LineEdit internal for hints (#4146)

Author: IanButterworth

ext/REPLExt/REPLExt.jl

@@ -154,7 +154,7 @@ function create_mode(repl::REPL.AbstractREPL, main::LineEdit.Prompt)
                     end
                 else
                     LineEdit.edit_insert(s, ';')
-                    LineEdit.check_for_hint(s) && LineEdit.refresh_line(s)
+                    LineEdit.check_show_hint(s)
                 end
             end
         end
@@ -181,7 +181,7 @@ function repl_init(repl::REPL.LineEditREPL)
                 end
             else
                 LineEdit.edit_insert(s, ']')
-                LineEdit.check_for_hint(s) && LineEdit.refresh_line(s)
+                LineEdit.check_show_hint(s)
             end
         end
     )