[ext_manager] don't disable hidden extensions

ext/ext_manager/main.php

@@ -4,24 +4,6 @@ declare(strict_types=1);
 
 namespace Shimmie2;
 
-function __extman_extcmp(ExtensionInfo $a, ExtensionInfo $b): int
-{
-    if ($a->beta === true && $b->beta === false) {
-        return 1;
-    }
-    if ($a->beta === false && $b->beta === true) {
-        return -1;
-    }
-
-    return strcmp($a->name, $b->name);
-}
-
-function __extman_extactive(ExtensionInfo $a): bool
-{
-    return Extension::is_enabled($a->key);
-}
-
-
 class ExtensionAuthor
 {
     public string $name;
@@ -110,15 +92,24 @@ class ExtManager extends Extension
     }
 
     /**
-     * #return ExtensionInfo[]
+     * @return ExtensionInfo[]
      */
     private function get_extensions(bool $all): array
     {
         $extensions = ExtensionInfo::get_all();
         if (!$all) {
-            $extensions = array_filter($extensions, "Shimmie2\__extman_extactive");
+            $extensions = array_filter($extensions, fn ($x) => Extension::is_enabled($x->key));
         }
-        usort($extensions, "Shimmie2\__extman_extcmp");
+        usort($extensions, function ($a, $b) {
+            if ($a->beta === true && $b->beta === false) {
+                return 1;
+            }
+            if ($a->beta === false && $b->beta === true) {
+                return -1;
+            }
+
+            return strcmp($a->name, $b->name);
+        });
         return $extensions;
     }
 

ext/ext_manager/theme.php

@@ -86,6 +86,18 @@ class ExtManagerTheme extends Themelet
             ));
         }
 
+        if($editable) {
+            foreach ($extensions as $extension) {
+                if ($extension->visibility === ExtensionVisibility::HIDDEN && !$extension->core) {
+                    $form->appendChild(INPUT([
+                        "type" => 'hidden',
+                        "name" => "ext_{$extension->key}",
+                        "value" => ($extension->is_enabled() === true) ? "on" : "off"
+                    ]));
+                }
+            }
+        }
+
         $page->set_title("Extensions");
         $page->set_heading("Extensions");
         $page->add_block(new NavBlock());