New: Custom Format Score column in queue

(cherry picked from commit a6f2db9139c4a6b01d162ccf8884fc02c874b4cf)

Closes #8788

frontend/src/Utilities/Number/formatPreferredWordScore.js

@@ -0,0 +1,16 @@
+
+function formatPreferredWordScore(input, customFormatsLength = 0) {
+  const score = Number(input);
+
+  if (score > 0) {
+    return `+${score}`;
+  }
+
+  if (score < 0) {
+    return score;
+  }
+
+  return customFormatsLength > 0 ? '+0' : '';
+}
+
+export default formatPreferredWordScore;