fix: revert formatScore change to maintain type compatibility

Author: roomote

apps/web-roo-code/src/lib/format-score.ts

@@ -1,6 +1 @@
-export const formatScore = (score: number | null | undefined) => {
-	if (score === null || score === undefined) {
-		return "-"
-	}
-	return Math.round(score * 100)
-}
+export const formatScore = (score: number) => Math.round(score * 100)