Fix security settings if password change is disabled

[juliusknorr]

Fix for #10464

This will make sure the password change javascript is only included if it is needed as well as hide the whole password section when changing passwords is disabled.

Apply this patch to test:

--- a/lib/private/Settings/Personal/Security.php
+++ b/lib/private/Settings/Personal/Security.php
@@ -46,7 +46,7 @@ class Security implements ISettings {
                $user = $this->userManager->get(\OC_User::getUser());
                $passwordChangeSupported = false;
                if ($user !== null) {
-                       $passwordChangeSupported = $user->canChangePassword();
+                       $passwordChangeSupported = false;
                }
 
                return new TemplateResponse('settings', 'settings/personal/security', [

[blizzz]

works, makes sense

[ChristophWurst]

Code looks good, changes make sense 👍