refactor: correct typing of getKeyByValue

src/content/content.ts

@@ -22,8 +22,13 @@ const excludedQualities = new Set([
 ]);
 
 // Helper functions
-function getKeyByValue(object: any, value: string) {
-	return Object.keys(object).find(key => object[key] === value);
+function getKeyByValue<K extends string | number | symbol, V>(obj: Record<K, V>, value: V): K | undefined {
+  for (const [key, val] of Object.entries(obj)) {
+    if (val === value) {
+      return key as unknown as K;
+    }
+  }
+  return undefined;
 }
 
 // Main function