feat: add default label template setting and apply it to print dialog selection

paperless-backend/src/database/entities/user-settings.entity.ts

@@ -28,4 +28,7 @@ export class UserSettings {
 
   @Column({ type: 'text', nullable: true })
   MailSignatureHtml!: string | null;
+
+  @Column({ type: 'int', nullable: true })
+  DefaultLabelTemplateId!: number | null;
 }

paperless-backend/src/user-settings/user-settings.service.ts

@@ -17,6 +17,7 @@ export interface UserSettingsDto {
   smtpFrom: string | null;
   smtpFromName: string | null;
   mailSignatureHtml: string | null;
+  defaultLabelTemplateId: number | null;
 }
 
 @Injectable()
@@ -78,6 +79,7 @@ export class UserSettingsService {
       smtpFrom?: string | null;
       smtpFromName?: string | null;
       mailSignatureHtml?: string | null;
+      defaultLabelTemplateId?: number | null;
     },
   ): Promise<UserSettingsDto> {
     let entity = await this.repo.findOne({ where: { UserId: userId } });
@@ -95,6 +97,7 @@ export class UserSettingsService {
     if (data.smtpFrom !== undefined) entity.SmtpFrom = data.smtpFrom;
     if (data.smtpFromName !== undefined) entity.SmtpFromName = data.smtpFromName;
     if (data.mailSignatureHtml !== undefined) entity.MailSignatureHtml = data.mailSignatureHtml;
+    if (data.defaultLabelTemplateId !== undefined) entity.DefaultLabelTemplateId = data.defaultLabelTemplateId;
 
     await this.repo.save(entity);
     return this.toDto(entity);
@@ -164,6 +167,7 @@ export class UserSettingsService {
       smtpFrom: entity?.SmtpFrom ?? null,
       smtpFromName: entity?.SmtpFromName ?? null,
       mailSignatureHtml: entity?.MailSignatureHtml ?? null,
+      defaultLabelTemplateId: entity?.DefaultLabelTemplateId ?? null,
     };
   }
 }