fix(input): remove invalid attrs after render (#1489)

* fix(input): tabindex type number

* fix(input): remove invalid attrs after rende

* refactor: change tabindex's type to String

Co-authored-by: Ryan2128 <33176053+Ryan2128@users.noreply.github.com>

packages/input/src/index.vue

@@ -207,11 +207,9 @@ export default defineComponent({
     },
     label: {
       type: String,
-      default: '',
     },
     tabindex: {
       type: String,
-      default: '',
     },
     validateEvent: {
       type: Boolean,