feat(core): update code base for new Flextype 0.9.9 - next round

Author: Awilum

app/Controllers/PluginsController.php

@@ -80,7 +80,7 @@ public function pluginStatusProcess(Request $request, Response $response) : Resp
         Filesystem::write($custom_plugin_settings_file, $this->yaml->encode($custom_plugin_settings_file_data));
 
         // Clear doctrine cache
-        $this->cache->clear('doctrine');
+        $this->cache->purge('doctrine');
 
         // Redirect to plugins index page
         return $response->withRedirect($this->router->pathFor('admin.plugins.index'));

app/Controllers/ToolsController.php

@@ -165,8 +165,8 @@ public function clearCacheProcess(Request $request, Response $response) : Respon
     {
         $id = $request->getParsedBody()['cache-id'];
 
-        $this->cache->clear('doctrine');
-        $this->cache->clear('preflight');
+        $this->cache->purge('doctrine');
+        $this->cache->purge('preflight');
 
         $this->flash->addMessage('success', __('admin_message_cache_files_deleted'));
 
@@ -181,7 +181,7 @@ public function clearCacheProcess(Request $request, Response $response) : Respon
      */
     public function clearCacheAllProcess(Request $request, Response $response) : Response
     {
-        $this->cache->clearAll();
+        $this->cache->purgeAll();
 
         $this->flash->addMessage('success', __('admin_message_cache_files_deleted'));