feat(email): configurable reply-to address (#3140)

fluxer_api/src/api/Config.ts

@@ -248,6 +248,7 @@ export function buildAPIConfigFromMaster(master: MasterConfig): APIConfig {
 			webhookSecret: master.integrations.email.webhook_secret ?? undefined,
 			fromEmail: master.integrations.email.from_email,
 			fromName: master.integrations.email.from_name,
+			replyToEmail: master.integrations.email.reply_to_email,
 			appBaseUrl: resolveEmailAppBaseUrl(master),
 			smtp: master.integrations.email.smtp
 				? {

fluxer_api/src/api/config/APIConfig.ts

@@ -155,6 +155,7 @@ export interface APIConfig {
 		webhookSecret?: string;
 		fromEmail: string;
 		fromName: string;
+		replyToEmail: string;
 		appBaseUrl: string;
 		smtp?: {
 			host: string;

fluxer_api/src/api/middleware/ServiceSingletons.ts

@@ -187,6 +187,7 @@ function createEmailServiceForConfig(
 		enabled: emailConfigSource.enabled,
 		fromEmail: emailConfigSource.fromEmail,
 		fromName: emailConfigSource.fromName,
+		replyTo: emailConfigSource.replyToEmail || null,
 		appBaseUrl: emailConfigSource.appBaseUrl,
 		marketingBaseUrl: Config.endpoints.marketing,
 	};