Bug 1679461 - Use SetSelectionRange in Select(), regardless of focus state r=masayuki

SelectAll() also is no-op without a frame, so this replaces it with SetSelectionRange.

Differential Revision: https://phabricator.services.mozilla.com/D98184

dom/html/HTMLInputElement.h

@@ -670,7 +670,7 @@ class HTMLInputElement final : public TextControlElement,
 
   already_AddRefed<nsINodeList> GetLabels();
 
-  void Select();
+  MOZ_CAN_RUN_SCRIPT void Select();
 
   Nullable<uint32_t> GetSelectionStart(ErrorResult& aRv);
   MOZ_CAN_RUN_SCRIPT void SetSelectionStart(const Nullable<uint32_t>& aValue,