[PLAT-15197] Add ssl flag in LDAP universe sync API

Summary: Add defaults for sslLdapFlag

Test Plan: Manually tested LDAP DB sync API for ysql/ycql

Reviewers: agarg, asharma

Reviewed By: agarg

Subscribers: yugaware

Differential Revision: https://phorge.dev.yugabyte.com/D39718

managed/src/main/java/com/yugabyte/yw/forms/LdapUnivSyncFormData.java

@@ -70,10 +70,10 @@ public enum TargetApi {
   private String ldapGroupfield;
 
   @ApiModelProperty(value = "Use LDAP TLS")
-  private Boolean useLdapTls;
+  private Boolean useLdapTls = false;
 
   @ApiModelProperty(value = "Use LDAP SSL")
-  private Boolean useLdapSsl;
+  private Boolean useLdapSsl = false;
 
   @ApiModelProperty(value = "Allow the API to create the LDAP groups as DB superusers")
   private Boolean createGroups = false;