[kotlin] Fix nested types input/output code generation

[slinkydeveloper]

See google/ksp#1825

[github-actions]

Test Results

 49 files  +35   49 suites  +35   7m 5s ⏱️ + 6m 55s
762 tests +77  755 ✅ +77  7 💤 ±0  0 ❌ ±0 
762 runs  +76  755 ✅ +76  7 💤 ±0  0 ❌ ±0 

Results for commit 0b0edaa. ± Comparison against base commit 0e1434a.

This pull request removes 30 and adds 107 tests. Note that renamed tests count towards both.

dev.restate.sdk.TestSerdesTest ‑ Byte: 12
dev.restate.sdk.TestSerdesTest ‑ Double: 0.1632626078568814
dev.restate.sdk.TestSerdesTest ‑ Float: 0.13373971
dev.restate.sdk.TestSerdesTest ‑ Integer: -855492073
dev.restate.sdk.TestSerdesTest ‑ Long: 1002162109940109064
dev.restate.sdk.TestSerdesTest ‑ Short: -8999
dev.restate.sdk.http.vertx.HttpVertxTests ‑ 222: [HttpVertxTestExecutor][dev.restate.sdk.kotlin.CodegenTest] CodegenTestGreeterInterface#greet
dev.restate.sdk.http.vertx.HttpVertxTests ‑ 223: [HttpVertxTestExecutor][dev.restate.sdk.kotlin.CodegenTest] Empty#emptyInput: empty output
dev.restate.sdk.http.vertx.HttpVertxTests ‑ 224: [HttpVertxTestExecutor][dev.restate.sdk.kotlin.CodegenTest] Empty#emptyOutput: empty output
dev.restate.sdk.http.vertx.HttpVertxTests ‑ 225: [HttpVertxTestExecutor][dev.restate.sdk.kotlin.CodegenTest] Empty#emptyInputOutput: empty input and empty output
…

dev.restate.e2e.JavaAwaitTimeoutTest ‑ Test Awaitable#await(Duration)
dev.restate.e2e.JavaAwakeableTest ‑ generate(Client)
dev.restate.e2e.JavaCancelInvocationTest ‑ cancel blocked invocation on AWAKEABLE
dev.restate.e2e.JavaCancelInvocationTest ‑ cancel blocked invocation on CALL
dev.restate.e2e.JavaCancelInvocationTest ‑ cancel blocked invocation on SLEEP
dev.restate.e2e.JavaCoordinatorWithNodeReceiverServiceToServiceCallTest ‑ synchronousCall(Client)
dev.restate.e2e.JavaErrorsTest ‑ Test calling method that fails terminally
dev.restate.e2e.JavaErrorsTest ‑ Test calling method that fails terminally multiple times
dev.restate.e2e.JavaErrorsTest ‑ Test invocations are retried until they succeed
dev.restate.e2e.JavaErrorsTest ‑ Test propagate failure from another service
…

♻️ This comment has been updated with latest results.

[github-actions]

Unit Test Results

  35 files  +  22    35 suites  +22   3m 50s ⏱️ + 3m 41s
223 tests  - 331  221 ✔️  - 326  2 💤  - 5  0 ❌ ±0 
223 runs   - 332  221 ✔️  - 327  2 💤  - 5  0 ❌ ±0 

Results for commit 1980661. ± Comparison against base commit 607b508.