feat(client): 投稿フォームのボタンの説明を表示するように (#6408)

* Add title attr with buttons on the post form

* fix

* tooltip

* missing ;

* remove title attr

* fix bug

* Update reactions-viewer.details.vue

* help wip

* ok!

* i18n

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

src/client/components/cw-button.vue

@@ -27,7 +27,7 @@ export default Vue.extend({
 			return concat([
 				this.note.text ? [this.$t('_cw.chars', { count: length(this.note.text) })] : [],
 				this.note.files && this.note.files.length !== 0 ? [this.$t('_cw.files', { count: this.note.files.length }) ] : [],
-				this.note.poll != null ? [this.$t('_cw.poll')] : []
+				this.note.poll != null ? [this.$t('poll')] : []
 			] as string[][]).join(' / ');
 		}
 	},