refactor(search): cleanup for review

pkg/conversions/conversions.go

@@ -0,0 +1,24 @@
+package conversions
+
+import (
+	"encoding/json"
+)
+
+func To[T any](v any) (T, error) {
+	var t T
+
+	if v == nil {
+		return t, nil
+	}
+
+	j, err := json.Marshal(v)
+	if err != nil {
+		return t, err
+	}
+
+	if err := json.Unmarshal(j, &t); err != nil {
+		return t, err
+	}
+
+	return t, nil
+}