fix(openid_client): change standard_flow to true to match default behaviour

Author: thomas-VIGINUM

docs/resources/openid_client.md

@@ -127,7 +127,7 @@ resource "keycloak_openid_client" "openid_client" {
   - `client-jwt` Use signed JWT to authenticate client. Set signing algorithm in `extra_config` with `attributes.token.endpoint.auth.signing.alg = <alg>`
   - `client-x509` Use x509 certificate to authenticate client. Set Subject DN in `extra_config` with `attributes.x509.subjectdn = <subjectDn>`
   - `client-secret-jwt` Use signed JWT with client secret to authenticate client. Set signing algorithm in `extra_config` with `attributes.token.endpoint.auth.signing.alg = <alg>`
-- `standard_flow_enabled` - (Optional) When `true`, the OAuth2 Authorization Code Grant will be enabled for this client. Defaults to `false`.
+- `standard_flow_enabled` - (Optional) When `true`, the OAuth2 Authorization Code Grant will be enabled for this client. Defaults to `true`.
 - `implicit_flow_enabled` - (Optional) When `true`, the OAuth2 Implicit Grant will be enabled for this client. Defaults to `false`.
 - `direct_access_grants_enabled` - (Optional) When `true`, the OAuth2 Resource Owner Password Grant will be enabled for this client. Defaults to `false`.
 - `service_accounts_enabled` - (Optional) When `true`, the OAuth2 Client Credentials grant will be enabled for this client. Defaults to `false`.

provider/resource_keycloak_openid_client.go

@@ -106,7 +106,7 @@ func resourceKeycloakOpenidClient() *schema.Resource {
 			"standard_flow_enabled": {
 				Type:     schema.TypeBool,
 				Optional: true,
-				Default:  false,
+				Default:  true,
 			},
 			"implicit_flow_enabled": {
 				Type:     schema.TypeBool,