chore(server): default DEPLOYMENT_TYPE should be selfhosted (#11484)

packages/backend/server/src/env.ts

@@ -80,7 +80,7 @@ export class Env implements AppEnv {
   );
   DEPLOYMENT_TYPE = readEnv(
     'DEPLOYMENT_TYPE',
-    DeploymentType.Affine,
+    DeploymentType.Selfhosted,
     Object.values(DeploymentType)
   );
   FLAVOR = readEnv('SERVER_FLAVOR', Flavor.AllInOne, Object.values(Flavor));