Fix cPanel icon: replace headphones with backup/restore icon

Server box with data rows (navy) and circular restore arrow (copper)
matching gniza brand colors.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

cpanel/gniza/assets/gniza-cpanel-icon.svg

@@ -1 +1,12 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><defs><style>.cls-1{fill:#1a3a5c;}.cls-2{fill:#b87333;}</style></defs><g id="gniza"><path class="cls-1" d="M24,4C14.06,4,6,12.06,6,22v4a2,2,0,0,0,2,2H16a1,1,0,0,0,1-1V21a1,1,0,0,0-1-1H8.07A16,16,0,0,1,39.93,20H32a1,1,0,0,0-1,1v6a1,1,0,0,0,1,1h8a2,2,0,0,0,2-2V22C42,12.06,33.94,4,24,4ZM15,27H8V22a15.89,15.89,0,0,1,.1-1.83A1,1,0,0,1,9,21h6Zm25,0H33V21h6a1,1,0,0,1,.9.17A15.89,15.89,0,0,1,40,22Z"/><path class="cls-2" d="M18,32a1,1,0,0,0-1,1v4a1,1,0,0,0,.29.71l3,3a1,1,0,0,0,1.42,0l3-3A1,1,0,0,0,25,37V36h4a1,1,0,0,0,1-1V33a1,1,0,0,0-1-1Zm6,4.59L21.59,39,20,37.41V34h9v1Z"/></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48">
+  <!-- Archive/server box -->
+  <rect x="8" y="6" width="32" height="28" rx="3" fill="#1a3a5c"/>
+  <rect x="12" y="11" width="24" height="3" rx="1" fill="#fff" opacity="0.85"/>
+  <rect x="12" y="17" width="24" height="3" rx="1" fill="#fff" opacity="0.55"/>
+  <rect x="12" y="23" width="24" height="3" rx="1" fill="#fff" opacity="0.35"/>
+  <!-- Circular restore arrow -->
+  <circle cx="33" cy="36" r="10" fill="#fff"/>
+  <circle cx="33" cy="36" r="8.5" fill="#b87333"/>
+  <path d="M33,29.5 a6.5,6.5 0 1,0 6.5,6.5" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round"/>
+  <polygon points="39.5,33 39.5,36 36.5,36" fill="#fff"/>
+</svg>