fix: render enum labels as proper title case

formatEnumLabel was leaving inputs uppercase ("TECHNOLOGY_INNOVATION"
became "TECHNOLOGY INNOVATION"); lowercasing first yields proper
title case ("Technology Innovation") and improves labels app-wide.
Apply it on the project mentor page for Ocean Issue + Category.

src/lib/utils.ts

@@ -50,6 +50,7 @@ export function formatFileSize(bytes: number): string {
 
 export function formatEnumLabel(value: string): string {
   return value
+    .toLowerCase()
     .replace(/_/g, ' ')
     .replace(/\b\w/g, (c) => c.toUpperCase())
 }