fix(backend): fix creating reactions bugs (#13901)

* fix(backend): add fallback for empty string when creating reaction

* fix(backend): prohibit reactions to Renote

* test(backend): add some tests for `notes/reactions/create` endpoint

* Update CHANGELOG.md

* lint

* Update CHANGELOG.md

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/backend/src/server/api/endpoints/notes/reactions/create.ts

@@ -36,6 +36,12 @@ export const meta = {
 			code: 'YOU_HAVE_BEEN_BLOCKED',
 			id: '20ef5475-9f38-4e4c-bd33-de6d979498ec',
 		},
+
+		cannotReactToRenote: {
+			message: 'You cannot react to Renote.',
+			code: 'CANNOT_REACT_TO_RENOTE',
+			id: 'eaccdc08-ddef-43fe-908f-d108faad57f5',
+		},
 	},
 } as const;
 
@@ -62,6 +68,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			await this.reactionService.create(me, note, ps.reaction).catch(err => {
 				if (err.id === '51c42bb4-931a-456b-bff7-e5a8a70dd298') throw new ApiError(meta.errors.alreadyReacted);
 				if (err.id === 'e70412a4-7197-4726-8e74-f3e0deb92aa7') throw new ApiError(meta.errors.youHaveBeenBlocked);
+				if (err.id === '12c35529-3c79-4327-b1cc-e2cf63a71925') throw new ApiError(meta.errors.cannotReactToRenote);
 				throw err;
 			});
 			return;