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/emblems/Royal_Badge_of_Wales_2008-2024.svg

@@ -1608,8 +1608,8 @@
          </g>
       </g>
       <g transform="translate(1420.573293 531.31602)">
-         <use height="1238.7213" transform="matrix(-1 0 0 1 -1832.5507 0)" width="1008.5959" xlink:href="#a" />
-         <g id="a">
+         <use height="1238.7213" transform="matrix(-1 0 0 1 -1832.5507 0)" width="1008.5959" xlink:href="#Royal_Badge_of_Wales_2008-2024_a" />
+         <g id="Royal_Badge_of_Wales_2008-2024_a">
             <g>
                <g stroke-width="1.379135"
                   transform="matrix(-.65888455 .30270426 .30270426 .65888455 -953.53077 853.5959)">
@@ -1645,7 +1645,7 @@
                </g>
             </g>
             <use height="1240" transform="matrix(.34804117 -.93747925 .93747925 .34804117 -741.5684 -679.19707)"
-               width="1010" xlink:href="#b" />
+               width="1010" xlink:href="#Royal_Badge_of_Wales_2008-2024_b" />
             <g stroke-width=".790034" transform="matrix(-1.2652176 .03731822 .03731822 1.2652176 -1049.512 749.97931)">
                <g stroke-width=".623847"
                   transform="matrix(1.2539637 .17697386 -.17697386 1.2539637 304.40214 -2489.6974)">
@@ -2033,7 +2033,7 @@
                      transform="matrix(-1.0403497 .85243782 .85243782 1.0403497 -419.41861 -1578.5122)" />
                </g>
             </g>
-            <g id="b" stroke-width="1.385598"
+            <g id="Royal_Badge_of_Wales_2008-2024_b" stroke-width="1.385598"
                transform="matrix(-.70345672 -.16128847 -.16128847 .70345672 -1314.4723 619.45957)">
                <g stroke-width="1.385598">
                   <g stroke-width="1.385598" transform="translate(-.011935)">