Update Addon functions and calls

Update function names and calls for Addon class.

src/Content/Feature.php

@@ -5,6 +5,7 @@
  */
 namespace Friendica\Content;
 
+use Friendica\Core\Addon;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 
@@ -36,7 +37,7 @@ class Feature
 		}
 
 		$arr = ['uid' => $uid, 'feature' => $feature, 'enabled' => $x];
-		call_hooks('isEnabled', $arr);
+		Addon::callHooks('isEnabled', $arr);
 		return($arr['enabled']);
 	}
 
@@ -150,7 +151,7 @@ class Feature
 			}
 		}
 
-		call_hooks('get', $arr);
+		Addon::callHooks('get', $arr);
 		return $arr;
 	}
 }