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/logos/tesla.svg

@@ -36,7 +36,7 @@
          />
     </g>
   </g>
-  <g id="T">
+  <g id="tesla_T">
     <path id="path35"
       d="M140.35,253.502l35.476,-199.519c33.815,0 44.481,3.708 46.021,18.843c0,-0 22.684,-8.458 34.125,-25.636c-44.646,-20.688 -89.505,-21.621 -89.505,-21.621l-26.176,31.882l0.059,-0.004l-26.176,-31.883c0,-0 -44.86,0.934 -89.5,21.622c11.431,17.178 34.124,25.636 34.124,25.636c1.549,-15.136 12.202,-18.844 45.79,-18.868l35.762,199.548"
        />