FIR: Weaken some UPPER_BOUND_VIOLATED restrictions

See test data at starProjectionInsteadOutCaptured.kt

^KT-49412 Fixed
^KT-50230 Relates
^KT-48044 Fixed

compiler/testData/codegen/box/inference/kt49838.kt

@@ -1,6 +1,4 @@
 // IGNORE_BACKEND: JVM
-// IGNORE_BACKEND_FIR: JVM_IR
-// FIR status: UPPER_BOUND_VIOLATED at Service<out T>
 
 inline fun <
         reified TService : Service<TService, TEvent>,
@@ -25,4 +23,4 @@ class SomeService : Service<SomeService, SomeService.SomeEvent> {
 fun box(): String {
     event { someEvent: SomeService.SomeEvent ->  } // REIFIED_TYPE_FORBIDDEN_SUBSTITUTION
     return "OK"
-}
+}