Implement LDAP Certificate (#15361)

* Implement LDAP Certificate

* add diagnostics and translations

* update from code review

* pass pointer to update pict function

* pass object to first function

* remove debug log messages

* update test to add localmode test

* update lint errors

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/config.go

@@ -1943,9 +1943,11 @@ type LdapSettings struct {
 	SyncIntervalMinutes *int `access:"authentication"`
 
 	// Advanced
-	SkipCertificateVerification *bool `access:"authentication"`
-	QueryTimeout                *int  `access:"authentication"`
-	MaxPageSize                 *int  `access:"authentication"`
+	SkipCertificateVerification *bool   `access:"authentication"`
+	PublicCertificateFile       *string `access:"authentication"`
+	PrivateKeyFile              *string `access:"authentication"`
+	QueryTimeout                *int    `access:"authentication"`
+	MaxPageSize                 *int    `access:"authentication"`
 
 	// Customization
 	LoginFieldName *string `access:"authentication"`
@@ -1983,6 +1985,14 @@ func (s *LdapSettings) SetDefaults() {
 		s.ConnectionSecurity = NewString("")
 	}
 
+	if s.PublicCertificateFile == nil {
+		s.PublicCertificateFile = NewString("")
+	}
+
+	if s.PrivateKeyFile == nil {
+		s.PrivateKeyFile = NewString("")
+	}
+
 	if s.BaseDN == nil {
 		s.BaseDN = NewString("")
 	}