Fix sorting being case-sensitive

Author: TBlueF

BlueMapCommon/webapp/src/components/Menu/MarkerSetMenu.vue

@@ -58,8 +58,8 @@ export default {
         return marker.type === "player" && (marker.name.includesCI(this.filter.search) || marker.playerUuid.includesCI(this.filter.search));
       }).sort((a, b) => {
         if (this.filter.order === "label") {
-          let la = a.type === "player" ? a.name : a.label;
-          let lb = b.type === "player" ? b.name : b.label;
+          let la = (a.type === "player" ? a.name : a.label).toLowerCase();
+          let lb = (b.type === "player" ? b.name : b.label).toLowerCase();
           if (la < lb) return -1;
           if (la > lb) return 1;
           return 0;