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/ua-Kyiv.svg

@@ -202,11 +202,11 @@
             d="M459.69 152.94c6.3 7.16 14.82 6.92 19.64 0 .49 7.66 1.36 11.98 7.16 16.06-5.93 3.46-30.38 2.96-36.43 0 6.05-.86 9.26-4.57 9.63-16.06z"
             class="R W X" />
     </g>
-    <linearGradient id="A" x1="469.64" x2="469.64" y1="106.63" y2="130.78" gradientUnits="userSpaceOnUse">
+    <linearGradient id="ua-Kyiv_A" x1="469.64" x2="469.64" y1="106.63" y2="130.78" gradientUnits="userSpaceOnUse">
         <stop offset="0" stop-color="#7e5827" />
         <stop offset="1" stop-color="#010101" />
     </linearGradient>
-    <path fill="url(#A)"
+    <path fill="url(#ua-Kyiv_A)"
         d="M448.58 130.84c2.72-32.73 39.03-31.37 42.11-.86l-4.82.12c1.24-23.34-34.33-23.59-32.36.62l-4.93.12z" />
     <path
         d="M418.82 352.64c2.72 3.83 5.56 6.18 11.24 6.55.49-.99.25-1.61 0-2.59-6.67-.13-8.28-2.47-11.24-3.96zm90.65 1.86c-2.72 3.83-5.19 5.56-10.99 5.93-.25-.62-.49-1.48-.49-2.47 6.78-.13 8.51-1.86 11.48-3.46zm-76.7 2.1c4.08 2.84 9.88 4.2 15.19 1.73 0 1.11.12 1.73-.12 2.84-3.83 1.98-11.24 1.36-15.19-1.73-.25-1.36 0-2.1.12-2.84zm17.54 2.22c4.08 3.83 16.55 2.84 22.72.25.25.99.37 1.85 0 2.84-5.68 4.2-18.4 4.45-22.72-.74-.37-1.61-.12-1.61 0-2.35zm25.56.49c5.93 2.47 15.31 1.98 19.64-.99.37.74.99 1.23.49 2.96a21.1 21.1 0 0 1-19.88.86c-.37-.73-.49-1.72-.25-2.83z"