Fixed issue where updated page content would not be indexed

- Also updated html field of pages to not be fillable.
   (Since HTML should always go through app id parsing)

Related to #2042

app/Entities/Page.php

@@ -21,7 +21,7 @@ use Permissions;
  */
 class Page extends BookChild
 {
-    protected $fillable = ['name', 'html', 'priority', 'markdown'];
+    protected $fillable = ['name', 'priority', 'markdown'];
 
     protected $simpleAttributes = ['name', 'id', 'slug'];
 

app/Entities/Repos/PageRepo.php

@@ -180,12 +180,11 @@ class PageRepo
             $page->template = ($input['template'] === 'true');
         }
 
+        $pageContent = new PageContent($page);
+        $pageContent->setNewHTML($input['html']);
         $this->baseRepo->update($page, $input);
 
         // Update with new details
-        $page->fill($input);
-        $pageContent = new PageContent($page);
-        $pageContent->setNewHTML($input['html']);
         $page->revision_count++;
 
         if (setting('app-editor') !== 'markdown') {