feat(idp): provide option to auto link user (#7734)

* init auto linking

* prompt handling

* working

* translations

* console

* fixes

* unify

* custom texts

* fix tests

* linting

* fix check of existing user

* fix bg translation

* set unspecified as default in the form

console/src/app/modules/providers/provider-github-es/provider-github-es.component.ts

@@ -10,7 +10,7 @@ import {
   GetProviderByIDRequest as AdminGetProviderByIDRequest,
   UpdateGitHubEnterpriseServerProviderRequest as AdminUpdateGitHubEnterpriseServerProviderRequest,
 } from 'src/app/proto/generated/zitadel/admin_pb';
-import { Options, Provider } from 'src/app/proto/generated/zitadel/idp_pb';
+import { AutoLinkingOption, Options, Provider } from 'src/app/proto/generated/zitadel/idp_pb';
 import {
   AddGitHubEnterpriseServerProviderRequest as MgmtAddGitHubEnterpriseServerProviderRequest,
   GetProviderByIDRequest as MgmtGetProviderByIDRequest,
@@ -32,7 +32,10 @@ import { ProviderNextService } from '../provider-next/provider-next.service';
 })
 export class ProviderGithubESComponent {
   public showOptional: boolean = false;
-  public options: Options = new Options().setIsCreationAllowed(true).setIsLinkingAllowed(true);
+  public options: Options = new Options()
+    .setIsCreationAllowed(true)
+    .setIsLinkingAllowed(true)
+    .setAutoLinking(AutoLinkingOption.AUTO_LINKING_OPTION_UNSPECIFIED);
 
   // DEPRECATED: use id$ instead
   public id: string | null = '';