Refactor SVG gradients and IDs for consistency and clarity

- Updated gradient IDs in google_chrome_icon.svg to be more descriptive.
- Refactored gradient IDs in grafana.svg for better identification.
- Changed gradient IDs in homebridge.svg to follow a consistent naming convention.
- Modified gradient IDs in jellyfin.svg for clarity and consistency.
- Updated gradient IDs in shadoll.svg to avoid conflicts.
- Renamed ID in tesla.svg for better identification.
- Enhanced svg-cleanup.js to fix single-letter ID conflicts by prefixing them with the filename, improving SVG file integrity.

public/images/flags/us-hi.svg

@@ -1,12 +1,12 @@
 <svg height="100%" viewBox="0 0 48 24" width="100%" xmlns="http://www.w3.org/2000/svg"
     xmlns:xlink="http://www.w3.org/1999/xlink">
     <g>
-        <clipPath id="a">
+        <clipPath id="us-hi_a">
             <path d="m0 0v6h22v6h-1zm21 0h-10.5v13h-10.5v-1z" />
         </clipPath>
         <path d="m0 0h48v24h-48z" fill="#012169" />
         <path d="m0 0 21 12m0-12-21 12" stroke="#fff" stroke-width="2.4" />
-        <path clip-path="url(#a)" d="m0 0 21 12m0-12-21 12" stroke="#c8102e" stroke-width="1.6" />
+        <path clip-path="url(#us-hi_a)" d="m0 0 21 12m0-12-21 12" stroke="#c8102e" stroke-width="1.6" />
         <path d="m10.5 0v15m-10.5-9h24" stroke="#fff" stroke-width="4" />
         <path d="m10.5 0v15m-10.5-9h24" stroke="#c8102e" stroke-width="2.4" />
         <path d="m21 12v-3l3-3-3-3v-3h27v24h-48v-6z" fill="#fff" />