add "reject quotes" toggle at user and instance level

+ improve, cleanup, and de-duplicate quote resolution
+ add warning message when quote cannot be loaded
+ add "process error" framework to display warnings when a note cannot be correctly loaded from another instance

packages/backend/src/core/entities/UserEntityService.ts

@@ -674,6 +674,7 @@ export class UserEntityService implements OnModuleInit {
 				securityKeys: profile!.twoFactorEnabled
 					? this.userSecurityKeysRepository.countBy({ userId: user.id }).then(result => result >= 1)
 					: false,
+				rejectQuotes: user.rejectQuotes,
 			} : {}),
 
 			...(isDetailed && isMe ? {