[FIR] Properly approximate return type of callable declarations

- approximate intersection types in all non-local declarations
- approximate local types in non-private non-local declarations

compiler/testData/diagnostics/testsWithStdLib/inference/annotationsForResolve/moreOnlyInputTypes.kt

@@ -0,0 +1,14 @@
+// FIR_IDENTICAL
+// WITH_STDLIB
+
+private val PRIMITIVE_CLASSES = listOf(Boolean::class, Byte::class, Char::class, Double::class, Float::class, Int::class, Long::class, Short::class)
+
+// Map
+private val PRIMITIVE_TO_WRAPPER = PRIMITIVE_CLASSES.map { it.javaPrimitiveType to it.javaObjectType }.toMap()
+private val WRAPPER_TO_PRIMITIVE = PRIMITIVE_CLASSES.map { it.javaObjectType to it.javaPrimitiveType }.toMap()
+
+val Class<*>.primitiveByWrapper: Class<*>?
+    get() = WRAPPER_TO_PRIMITIVE[this]
+
+val Class<*>.wrapperByPrimitive: Class<*>?
+    get() = PRIMITIVE_TO_WRAPPER[this]

compiler/testData/diagnostics/testsWithStdLib/inference/annotationsForResolve/moreOnlyInputTypes.txt

@@ -0,0 +1,7 @@
+package
+
+private val PRIMITIVE_CLASSES: kotlin.collections.List<kotlin.reflect.KClass<out kotlin.Any>>
+private val PRIMITIVE_TO_WRAPPER: kotlin.collections.Map<java.lang.Class<out kotlin.Any>?, java.lang.Class<out kotlin.Any>>
+private val WRAPPER_TO_PRIMITIVE: kotlin.collections.Map<java.lang.Class<out kotlin.Any>, java.lang.Class<out kotlin.Any>?>
+public val java.lang.Class<*>.primitiveByWrapper: java.lang.Class<*>?
+public val java.lang.Class<*>.wrapperByPrimitive: java.lang.Class<*>?