fix: Lock icon color

packages/nc-gui/assets/nc-icons/lock.svg

@@ -1,4 +1,4 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M12.6667 7.33337H3.33333C2.59695 7.33337 2 7.93033 2 8.66671V13.3334C2 14.0698 2.59695 14.6667 3.33333 14.6667H12.6667C13.403 14.6667 14 14.0698 14 13.3334V8.66671C14 7.93033 13.403 7.33337 12.6667 7.33337Z" stroke="#4A5268" stroke-width="1.33333" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M12.6667 7.33337H3.33333C2.59695 7.33337 2 7.93033 2 8.66671V13.3334C2 14.0698 2.59695 14.6667 3.33333 14.6667H12.6667C13.403 14.6667 14 14.0698 14 13.3334V8.66671C14 7.93033 13.403 7.33337 12.6667 7.33337Z" stroke="currentColor" stroke-width="1.33333" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M4.66667 7.33337V4.66671C4.66667 3.78265 5.01786 2.93481 5.64298 2.30968C6.2681 1.68456 7.11595 1.33337 8 1.33337C8.88406 1.33337 9.73191 1.68456 10.357 2.30968C10.9821 2.93481 11.3333 3.78265 11.3333 4.66671V7.33337" stroke="#4A5268" stroke-width="1.33333" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.66667 7.33337V4.66671C4.66667 3.78265 5.01786 2.93481 5.64298 2.30968C6.2681 1.68456 7.11595 1.33337 8 1.33337C8.88406 1.33337 9.73191 1.68456 10.357 2.30968C10.9821 2.93481 11.3333 3.78265 11.3333 4.66671V7.33337" stroke="currentColor" stroke-width="1.33333" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>