[NI] Support callable references to suspend functions

#KT-30658 Fixed

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/callableReferenceToASuspendFunction.kt

@@ -0,0 +1,22 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+// !USE_EXPERIMENTAL: kotlin.Experimental
+
+import kotlin.reflect.KSuspendFunction0
+import kotlin.reflect.KSuspendFunction1
+import kotlin.reflect.KFunction0
+import kotlin.reflect.KFunction1
+
+fun test0(serialize: KSuspendFunction0<Unit>) {}
+fun test1(serialize: KSuspendFunction1<Int, Unit>) {}
+
+suspend fun foo() {}
+suspend fun bar(x: Int) {}
+
+fun test() {
+    test0(::foo)
+    test1(<!TYPE_MISMATCH!>::foo<!>)
+
+    test0(<!TYPE_MISMATCH!>::bar<!>)
+    test1(::bar)
+}

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/callableReferenceToASuspendFunction.txt

@@ -0,0 +1,7 @@
+package
+
+public suspend fun bar(/*0*/ x: kotlin.Int): kotlin.Unit
+public suspend fun foo(): kotlin.Unit
+public fun test(): kotlin.Unit
+public fun test0(/*0*/ serialize: kotlin.reflect.KSuspendFunction0<kotlin.Unit>): kotlin.Unit
+public fun test1(/*0*/ serialize: kotlin.reflect.KSuspendFunction1<kotlin.Int, kotlin.Unit>): kotlin.Unit