feat(server)!: oauth encryption algorithm setting (#6818)

* feat: add oauth signing algorithm setting

* chore: open api

* chore: change default to RS256

* feat: test and clean up

---------

Co-authored-by: Jason Rasmussen <jrasm91@gmail.com>

server/src/domain/system-config/system-config.core.ts

@@ -88,17 +88,18 @@ export const defaults = Object.freeze<SystemConfig>({
     enabled: true,
   },
   oauth: {
-    enabled: false,
-    issuerUrl: '',
+    autoLaunch: false,
+    autoRegister: true,
+    buttonText: 'Login with OAuth',
     clientId: '',
     clientSecret: '',
+    enabled: false,
+    issuerUrl: '',
     mobileOverrideEnabled: false,
     mobileRedirectUri: '',
     scope: 'openid email profile',
+    signingAlgorithm: 'RS256',
     storageLabelClaim: 'preferred_username',
-    buttonText: 'Login with OAuth',
-    autoRegister: true,
-    autoLaunch: false,
   },
   passwordLogin: {
     enabled: true,