refactor: Composition APIへ移行 (#8121)

* components/abuse-report-window.vue

* use <script setup>

* ✌️

* components/analog-clock.vue

* wip components/autocomplete.vue

* ✌️

* ✌️

* fix

* wip components/captcha.vue

* clean up

* components/channel-follow-button

* components/channel-preview.vue

* components/core-core.vue

* components/code.vue

* wip components/date-separated-list.vue

* fix

* fix autocomplete.vue

* ✌️

* remove global property

* use <script setup>

* components/dialog.vue

* clena up

* fix dialog.vue

* Resolve https://github.com/misskey-dev/misskey/pull/8121#discussion_r781250966