fix: 絵文字重複周りの修正

packages/backend/src/server/api/endpoints/admin/emoji/add.ts

@@ -73,15 +73,19 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			const driveFile = await this.driveFilesRepository.findOneBy({ id: ps.fileId });
 			if (driveFile == null) throw new ApiError(meta.errors.noSuchFile);
 
-			const existEmoji = await this.emojisRepository.exist({
+			const duplicationEmoji = await this.emojisRepository.find({
 				where: {
 					name: ps.name,
 				},
 			});
 
-			if (existEmoji) {
+			duplicationEmoji.forEach(
+				(emoji) => {
+					if (emoji.name === ps.name) {
 						throw new ApiError(meta.errors.duplicationEmojiAdd);
 					}
+        }
+			)
 
 			const emoji = await this.customEmojiService.add({
 				driveFile,

packages/backend/src/server/api/endpoints/admin/emoji/copy.ts

@@ -75,6 +75,20 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.noSuchEmoji);
 			}
 
+			const duplicationEmoji = await this.emojisRepository.find({
+				where: {
+					name: emoji.name,
+				},
+			});
+
+			duplicationEmoji.forEach(
+				(_emoji) => {
+					if (_emoji.name === emoji.name) {
+						throw new ApiError(meta.errors.duplicationEmojiAdd);
+					}
+				}
+			)
+
 			let driveFile: MiDriveFile;
 
 			try {