Feat: ドライブ周りのUIの強化 (#16011)

* wip

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* Update MkDrive.vue

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* Update MkDrive.vue

* Update MkDrive.vue

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* Update MkDrive.vue

* Update MkDrive.vue

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* Update MkDrive.vue

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* wip

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* Update MkDrive.vue

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* feat(frontend): upload dialog (#16032)

* wip

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* Update MkUploadDialog.vue

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* Update MkUploadDialog.vue

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* Update MkDrive.vue

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* Update MkPostForm.vue

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* Update room.form.vue

* Update os.ts

* wiop

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* Update select-file.ts

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* Update MkDrive.vue

* Update drag-and-drop.ts

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* wop

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* Update MkDrive.vue

* Update CHANGELOG.md

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* Update MkDrive.folder.vue

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* Update MkUploaderDialog.vue

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* Update MkUploaderDialog.vue

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* Update MkDrive.vue

* Update MkDrive.vue

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* wip

packages/frontend-shared/themes/l-vivid.json5

@@ -39,7 +39,6 @@
 		inputBorderHover: 'rgba(0, 0, 0, 0.2)',
 		panelBorder: '" solid 1px var(--MI_THEME-divider)',
 		navIndicator: '@accent',
-		driveFolderBg: ':alpha<0.3<@accent',
 		fgHighlighted: ':darken<3<@fg',
 		fgOnWhite: '@accent',
 		panelHeaderBg: ':lighten<3<@panel',