Throw exception if load or resource type not found

theodolite-quarkus/src/main/kotlin/theodolite/patcher/PatcherDefinitionFactory.kt

@@ -21,8 +21,7 @@ class PatcherDefinitionFactory {
      *     value of the requiredType.
      */
     fun createPatcherDefinition(requiredType: String, patcherTypes: List<TypeName>): List<PatcherDefinition> {
-        return patcherTypes
-            .filter { type -> type.typeName == requiredType }
-            .flatMap { type -> type.patchers }
+        return patcherTypes.firstOrNull() { type -> type.typeName == requiredType }
+            ?.patchers ?: throw IllegalArgumentException("typeName $requiredType not found.")
     }
 }