Simplify latest build number retrieval function

Doubled build number in the name is Microsoft's fault and I can't be bothered to make a hackfix that.

fetchupd.php

@@ -34,20 +34,13 @@ function uupApiPrivateParseFlags($str) {
 }
 
 function uupApiPrivateGetLatestBuild() {
-    $builds = array('22000.1');
-
     $ids = uupListIds();
-    if(isset($ids['error'])) {
-        $ids['builds'] = array();
+
+    if(!isset($ids['builds']) || empty($ids['builds'])) {
+        return '26100.1';
     }
 
-    if(empty($ids['builds'])) {
-        $build = $builds[0];
-    } else {
-        $build = $ids['builds'][0]['build'];
-    }
-
-    return $build;
+    return $ids['builds'][0]['build'];
 }
 
 function uupApiPrivateGetLatestPatch($build) {
@@ -370,7 +363,7 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
         $updateTitle = str_replace('Windows 11', 'Windows Server', $updateTitle);
     }
 
-    if(preg_match('/Windows 1\d|Server|Azure Stack HCI/i', $updateTitle) !== 1) {
+    if(preg_match('/Windows 1\d|Server|Azure Stack HCI|Windows CPC OS/i', $updateTitle) !== 1) {
         $osName = $foundType != 'server' ? 'Windows 11' : 'Microsoft server operating system';
         $updateTitle = str_replace('Update', "Update for $osName", $updateTitle);
     }
@@ -384,7 +377,7 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
     if($foundType == 'hololens' || $foundType == 'wcosdevice0')
         $updateTitle = $updateTitle.' - '.$type;
 
-    if(!preg_match("/$foundBuild/i", $updateTitle))
+    if(!str_contains($updateTitle, $foundBuild))
         $updateTitle = $updateTitle.' ('.$foundBuild.')';
 
     preg_match('/UpdateID=".*?"/', $updateInfo, $updateId);