Fix bug with remote backup selection (#3335)

* Fix bug with remote backup selection

* Fix: Unable to update Blackblaze settings

web/edit/server/index.php

@@ -1043,11 +1043,7 @@ if (!empty($_POST["save"])) {
 
 	// Change remote backup host
 	if (empty($_SESSION["error_msg"])) {
-		if (
-			!empty($_POST["v_backup_host"]) &&
-			$_POST["v_backup_type"] == $v_backup_type &&
-			!isset($v_backup_new)
-		) {
+		if ($_POST["v_backup_type"] == $v_backup_type && !isset($v_backup_new)) {
 			if (in_array($_POST["v_backup_type"], ["ftp", "sftp"])) {
 				if (
 					$_POST["v_backup_host"] != $v_backup_host ||

web/templates/pages/edit_server.php

@@ -788,7 +788,7 @@
 								</option>
 							</select>
 						</div>
-						<div x-cloak x-show="backupType == "ftp' || backupType == "sftp'">
+						<div x-cloak x-show="backupType == 'ftp' || backupType == 'sftp' || backupType == ''">
 							<div class="u-mb10">
 								<label for="v_backup_host" class="form-label">
 									<?= _("Host") ?>