fix: kotlin ingress was adding "Method" (#578)

Kotlin `extractIngress` was using the full path of the enum `Method.GET`
instead of just the value `GET` This would put an ingress route in the
db that wouldn't be found with our query.

Since it couldn't be found, all Kotlin ingresses would return `404 not
found`

This is a quick change by pulling just the part of the string we want,
but we may way a more robust solution the future.

kotlin-runtime/ftl-runtime/src/main/kotlin/xyz/block/ftl/schemaextractor/ExtractSchemaRule.kt

@@ -157,7 +157,7 @@ class SchemaExtractor(
       }
       MetadataIngress(
         path = pathArg,
-        method = methodArg,
+        method = methodArg.substringAfter("."),
       )
     }
   }