Make tooltip voter order backend-driven

wwwroot/js/results-ui.js

@@ -138,13 +138,9 @@ function formatMyVote(score, tooltip) {
 
 function buildVotersTooltip(result) {
     const voterNames = Array.isArray(result?.voterNames)
-        ? result.voterNames
-              .filter(
+        ? result.voterNames.filter(
               (name) => typeof name === "string" && name.trim().length > 0,
           )
-              .sort((a, b) =>
-                  a.localeCompare(b, undefined, { sensitivity: "base" }),
-              )
         : [];
     if (voterNames.length === 0) return t("results.votersTooltipEmpty");
     return t("results.votersTooltip", { users: voterNames.join(", ") });