Fix case sensitive paths in toolbar

Author: charlotrudel

toolbar.py

@@ -95,7 +95,7 @@ def load_images(self) -> dict[str, tk.PhotoImage | None]:
         Loads PNG images from the 'icons' folder, scales them, and stores them in the images dictionary.
         """
         icon_names = ["connection", "power", "input", "output", "delete"]
-        icons_folder = Path(resource_path("assets/icons")).resolve()
+        icons_folder = Path(resource_path("Assets/Icons")).resolve()
         images: dict[str, tk.PhotoImage | None] = {}
         for name in icon_names:
             path = os.path.join(icons_folder, f"{name}.png")