[MM-55051] Assign correct timestamp to support packet files (#25035)

* Assign correct timestamp to support packet files

* Fix linter error

* Add back compression

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/app/support_packet.go

@@ -95,7 +95,7 @@ func (a *App) generateSupportPacketYaml(c request.CTX) (*model.FileData, error)
 	/* LDAP */
 
 	var vendorName, vendorVersion string
-	if ldapInterface := a.ch.Ldap; a.ch.Ldap != nil {
+	if ldapInterface := a.Ldap(); ldapInterface != nil {
 		vendorName, vendorVersion = ldapInterface.GetVendorNameAndVendorVersion(c)
 	}