Merge remote-tracking branch 'mi-dev/develop' into emoji

# Conflicts:
#	packages/backend/src/models/RepositoryModule.ts
#	packages/misskey-js/etc/misskey-js.api.md

packages/backend/src/core/RoleService.ts

@@ -229,6 +229,12 @@ export class RoleService implements OnApplicationShutdown {
 		}
 	}
 
+	@bindThis
+	public async getRoles() {
+		const roles = await this.rolesCache.fetch(() => this.rolesRepository.findBy({}));
+		return roles;
+	}
+
 	@bindThis
 	public async getUserAssigns(userId: MiUser['id']) {
 		const now = Date.now();