Report implicit inferred Nothing only for own type parameters and in delegation resolve

^KT-47724 Fixed

compiler/testData/diagnostics/tests/inference/nothingType/reportImplicitNothingOnlyForOwnTypeParameters.fir.kt

@@ -0,0 +1,11 @@
+fun <R> runCatching(block: () -> R) = null as Result<R>
+
+class Result<out T> {
+    fun getOrNull(): T? = null
+}
+
+fun main() {
+    runCatching {
+        null
+    }.getOrNull() // don't report IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION
+}

compiler/testData/diagnostics/tests/inference/nothingType/reportImplicitNothingOnlyForOwnTypeParameters.kt

@@ -0,0 +1,11 @@
+fun <R> runCatching(block: () -> R) = null <!CAST_NEVER_SUCCEEDS!>as<!> Result<R>
+
+class Result<out T> {
+    fun getOrNull(): T? = null
+}
+
+fun main() {
+    runCatching {
+        null
+    }.getOrNull() // don't report IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION
+}

compiler/testData/diagnostics/tests/inference/nothingType/reportImplicitNothingOnlyForOwnTypeParameters.txt

@@ -0,0 +1,12 @@
+package
+
+public fun main(): kotlin.Unit
+public fun </*0*/ R> runCatching(/*0*/ block: () -> R): Result<R>
+
+public final class Result</*0*/ out T> {
+    public constructor Result</*0*/ out T>()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final fun getOrNull(): T?
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/typeParameters/implicitNothingInReturnPosition.kt

@@ -90,7 +90,7 @@ interface Worker<out T>
 interface RenderContext<StateT, in OutputT : Any>
 
 val emptyOrNull: List<Nothing>? = null
-val x = emptyOrNull?.<!IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION!>get<!>(0)
+val x = emptyOrNull?.get(0)
 
 val errorCompletion = { e: Throwable -> throw Exception() }