fix: catch error when trying to get original file from github

Refs #118

Author: tinect

src/Controller/ShopwareFilesController.php

@@ -122,7 +122,7 @@ private function getShopwareUrl(string $name): ?string
 
     private function getOriginalFileContent(string $name): ?string
     {
-        return file_get_contents($this->getShopwareUrl($name) . '?raw=true');
+        return @file_get_contents($this->getShopwareUrl($name) . '?raw=true') ?: null;
     }
 
     private function isIgnoredFileHash(string $file, string $md5Sum): bool

src/Resources/app/administration/src/module/frosh-tools/component/frosh-tools-tab-files/template.twig

@@ -17,12 +17,14 @@
             :columns="columns">
 
             <template #actions="{ item }">
-                <sw-context-menu-item @click="openUrl(item.shopwareUrl)">
-                    {{ $tc('frosh-tools.tabs.files.openOriginal') }}
-                </sw-context-menu-item>
-                <sw-context-menu-item @click="diff(item.name, item.content, item.originalContent)">
-                    {{ $tc('frosh-tools.tabs.files.restore.diff') }}
-                </sw-context-menu-item>
+                <template v-if="item.originalContent">
+                    <sw-context-menu-item @click="openUrl(item.shopwareUrl)">
+                        {{ $tc('frosh-tools.tabs.files.openOriginal') }}
+                    </sw-context-menu-item>
+                    <sw-context-menu-item @click="diff(item.name, item.content, item.originalContent)">
+                        {{ $tc('frosh-tools.tabs.files.restore.diff') }}
+                    </sw-context-menu-item>
+                </template>
             </template>
         </sw-data-grid>
     </sw-card>