Patch: Summernote json file check existence

Author: xaviqv

src/PanicHDServiceProvider.php

@@ -189,10 +189,12 @@ public function boot()
                 // $editor_options = $user_editor != "0" ? $user_editor : file_get_contents(base_path(Setting::grab('summernote_options_json_file')));
                 if ($user_editor != '0') {
                     $editor_options = $user_editor;
-                } elseif (Setting::grab('summernote_options_json_file') == 'default') {
-                    $editor_options = file_get_contents(realpath(__DIR__).'/JSON/summernote_init.json');
-                } else {
+
+                }elseif (Setting::grab('summernote_options_json_file') != 'default' and file_exists(base_path(Setting::grab('summernote_options_json_file')))) {
                     $editor_options = file_get_contents(base_path(Setting::grab('summernote_options_json_file')));
+                    
+                } else {
+                    $editor_options = file_get_contents(realpath(__DIR__).'/JSON/summernote_init.json');
                 }
 
                 $view->with(compact('editor_locale', 'editor_options'));