Admin panel - Enhanced User Management & Fix: #1630 (#1658)

* Prevents SSO login due to faulty verification

* add translation & fix show error message

* Update settings.yml.template

---------

Co-authored-by: Anthony Stirling <77850077+Frooodle@users.noreply.github.com>

src/main/java/stirling/software/SPDF/model/ApplicationProperties.java

@@ -241,6 +241,7 @@ public class ApplicationProperties {
             private String clientId;
             private String clientSecret;
             private Boolean autoCreateUser = false;
+            private Boolean blockRegistration = false;
             private String useAsUsername;
             private Collection<String> scopes = new ArrayList<>();
             private String provider;
@@ -286,6 +287,14 @@ public class ApplicationProperties {
                 this.autoCreateUser = autoCreateUser;
             }
 
+            public Boolean getBlockRegistration() {
+                return blockRegistration;
+            }
+
+            public void setBlockRegistration(Boolean blockRegistration) {
+                this.blockRegistration = blockRegistration;
+            }
+
             public String getUseAsUsername() {
                 return useAsUsername;
             }
@@ -356,6 +365,8 @@ public class ApplicationProperties {
                         + (clientSecret != null && !clientSecret.isEmpty() ? "MASKED" : "NULL")
                         + ", autoCreateUser="
                         + autoCreateUser
+                        + ", blockRegistration="
+                        + blockRegistration
                         + ", useAsUsername="
                         + useAsUsername
                         + ", provider="