from chat ui post-form, remove instant and add share

src/client/ui/chat/post-form.vue

@@ -100,7 +100,7 @@ export default defineComponent({
 			type: Object,
 			required: false
 		},
-		instant: {
+		share: {
 			type: Boolean,
 			required: false,
 			default: false
@@ -277,7 +277,7 @@ export default defineComponent({
 
 		this.$nextTick(() => {
 			// 書きかけの投稿を復元
-			if (!this.instant && !this.mention && !this.specified) {
+			if (!this.share && !this.mention && !this.specified) {
 				const draft = JSON.parse(localStorage.getItem('drafts') || '{}')[this.draftKey];
 				if (draft) {
 					this.text = draft.data.text;
@@ -507,8 +507,6 @@ export default defineComponent({
 		},
 
 		saveDraft() {
-			if (this.instant) return;
-
 			const data = JSON.parse(localStorage.getItem('drafts') || '{}');
 
 			data[this.draftKey] = {