Minor fix

app/Http/Controllers/Admin/Settings/ThemeSettingController.php

@@ -55,6 +55,7 @@ public function update(Request $request, ThemeSettings $themeSettings)
             'home_hero_fg_image_light' => ['sometimes', 'nullable', 'mimes:jpg,jpeg,png,bmp,gif,svg,webp', 'max:1024'],
             'home_hero_fg_image_dark' => ['sometimes', 'nullable', 'mimes:jpg,jpeg,png,bmp,gif,svg,webp', 'max:1024'],
             'loading_gif' => ['sometimes', 'nullable', 'mimes:gif,svg', 'max:1024'],
+            'remove_loading_gif' => ['sometimes', 'nullable', 'boolean'],
         ]);
 
         $themeSettings->color_mode = $request->color_mode;
@@ -107,7 +108,7 @@ public function update(Request $request, ThemeSettings $themeSettings)
                 'public', $request->file('loading_gif'), 'loading_gif.'.$request->file('loading_gif')->getClientOriginalExtension()
             );
             $themeSettings->loading_gif = Storage::url($path).'?hash='.\Str::random(8);
-        } elseif ($request->input('loading_gif') === null) {
+        } elseif ($request->remove_loading_gif) {
             $themeSettings->loading_gif = null;
         }