Update gui_utils.py

Fixes #2408

utils/gui_utils.py

@@ -128,11 +128,11 @@ def modify_settings(data: dict, config_load, checks: dict):
 # Delete background video
 def delete_background(key):
     # Read backgrounds.json
-    with open("utils/backgrounds.json", "r", encoding="utf-8") as backgrounds:
+    with open("utils/backgrounds_videos.json", "r", encoding="utf-8") as backgrounds:
         data = json.load(backgrounds)
 
     # Remove background from backgrounds.json
-    with open("utils/backgrounds.json", "w", encoding="utf-8") as backgrounds:
+    with open("utils/backgrounds_videos.json", "w", encoding="utf-8") as backgrounds:
         if data.pop(key, None):
             json.dump(data, backgrounds, ensure_ascii=False, indent=4)
         else:
@@ -181,7 +181,7 @@ def add_background(youtube_uri, filename, citation, position):
     filename = filename.replace(" ", "_")
 
     # Check if the background doesn't already exist
-    with open("utils/backgrounds.json", "r", encoding="utf-8") as backgrounds:
+    with open("utils/backgrounds_videos.json", "r", encoding="utf-8") as backgrounds:
         data = json.load(backgrounds)
 
         # Check if key isn't already taken
@@ -195,7 +195,7 @@ def add_background(youtube_uri, filename, citation, position):
             return
 
     # Add background video to json file
-    with open("utils/backgrounds.json", "r+", encoding="utf-8") as backgrounds:
+    with open("utils/backgrounds_videos.json", "r+", encoding="utf-8") as backgrounds:
         data = json.load(backgrounds)
 
         data[filename] = [youtube_uri, filename + ".mp4", citation, position]