refactor: Composition APIへ移行 (#8138)

* components/drive-file-thumbnail.vue

* components/drive-select-dialog.vue

* components/drive-window.vue

* wip

* wip drive.file.vue, drive.vue

* fix prop

* wip(

* components/drive.folder.vue

* maybe ok

* ✌️

* fix variable

* FIX FOLDER VARIABLE

* components/emoji-picker-dialog.vue

* Hate `$emit`

* hate global property

* components/emoji-picker-window.vue

* components/emoji-picker.section.vue

* fix

* fixx

* wip components/emoji-picker.vue

* fix

* defineExpose

* ユニコード絵文字の型をもっといい感じに

* components/featured-photos.vue

* components/follow-button.vue

* forgot-password.vue

* forgot-password.vue

* 🎨

* fix