Fix plugins loading, triggering a permanent delete/rewrite of plugins_queries.ser

Author: cdujeu

core/src/core/src/pydio/Core/PluginFramework/PluginsService.php

@@ -491,7 +491,7 @@ private function loadPluginsFromCache($cacheStorage) {
         if(!empty($this->detectedPlugins)){
             return true;
         }
-        if(!empty($cacheStorage) && $this->_loadDetectedPluginsFromCache($cacheStorage)){
+        if($this->_loadDetectedPluginsFromCache($cacheStorage)){
             return true;
         }