* Upload: create blob URL when picture displays

* Update index.vue

Current link is https://element.eleme.io/nuxtjs.org instead of https://nuxtjs.org/.

* fix #12513

* fix: fallback for autoComplete and print deprecated warning

* fix: fix auto-complete property in select component

* fix default complete value

* Docs: Update document for autocomplete property change

* Docs: remove redundant documents

* remove unnecessary console log message\

* Update select.md

* fix: add missing declaration in select.d.ts

选中submenu下的菜单，submenu没有激活样式式象错误

Makes it possible to style the height of ".el-time-spinner__item". 
Removed the fixed values associated to a height and line-height: 32px. It's now possible to set whichever height a user wants and the scrollbar will adjust itself accordingly.

watch.value will keep firing during time picker selection
it now detects whether panel is closed before firing el.form.change

* date-picker: refactor type='dates'

fix issue #12323
{month, year} table highlights all selected dates
nuke selectedDates to provide cleaner data flow

* doc: correct date-picker's array usage

empty value must be falsy (empty array should not be used)

* Changelog: update for 2.4.6

* update changelog

* Pagination: make page-size attribute supports .sync

* Update pagination.js

* Tree: register node after dragging

* update Tree docs

* Input: not trigger validation when input

* InputNumber: update docs