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/models/json-schema/user.ts

@@ -445,6 +445,10 @@ export const packedUserDetailedNotMeOnlySchema = {
 			type: 'boolean',
 			nullable: false, optional: true,
 		},
+		rejectQuotes: {
+			type: 'boolean',
+			nullable: false, optional: true,
+		},
 		//#region relations
 		isFollowing: {
 			type: 'boolean',