enhance: convert svg to png of custom emojis

packages/backend/src/models/entities/emoji.ts

@@ -32,13 +32,19 @@ export class Emoji {
 	@Column('varchar', {
 		length: 512,
 	})
-	public url: string;
+	public originalUrl: string;
+
+	@Column('varchar', {
+		length: 512,
+	})
+	public publicUrl: string;
 
 	@Column('varchar', {
 		length: 512, nullable: true,
 	})
 	public uri: string | null;
 
+	// publicUrlの方のtypeが入る
 	@Column('varchar', {
 		length: 64, nullable: true,
 	})

packages/backend/src/models/repositories/emoji.ts

@@ -15,7 +15,8 @@ export class EmojiRepository extends Repository<Emoji> {
 			name: emoji.name,
 			category: emoji.category,
 			host: emoji.host,
-			url: emoji.url,
+			// || emoji.originalUrl してるのは後方互換性のため
+			url: emoji.publicUrl || emoji.originalUrl,
 		};
 	}