Add test for overloading expect MemberDescriptors discrimination

Issue #KT-38298

idea/testData/gradle/importAndCheckNavigation/navigationToCommonizedLibrary/src/linuxArm64Main/kotlin/arm64.kt

@@ -0,0 +1,13 @@
+package arm64
+
+import kotlinx.cinterop.CPointer
+import platform.posix.FILE
+import platform.posix.fopen
+import platform.posix.fprintf
+import platform.zlib.uInt
+
+fun test() {
+    val file: CPointer< /* NAVIGATION-TARGET:typealias FILE = */ FILE> = /* NAVIGATION-TARGET:external fun fopen */ fopen("file.txt", "r") ?: return
+    fun f1(): /* NAVIGATION-TARGET:typealias uInt = */ uInt = TODO()
+    /* NAVIGATION-TARGET:external fun fprintf */ fprintf(null, "")
+}

idea/testData/gradle/importAndCheckNavigation/navigationToCommonizedLibrary/src/linuxMain/kotlin/common.kt

@@ -0,0 +1,13 @@
+package common
+
+import kotlinx.cinterop.CPointer
+import platform.posix.FILE
+import platform.posix.fopen
+import platform.posix.fprintf
+import platform.zlib.uInt
+
+fun test() {
+    val file: CPointer< /* NAVIGATION-TARGET:expect class FILE */ FILE> = /* NAVIGATION-TARGET:external expect fun fopen */ fopen("file.txt", "r") ?: return
+    fun f1(): /* NAVIGATION-TARGET:expect class uInt */ uInt = TODO()
+    /* NAVIGATION-TARGET:external expect fun fprintf */ fprintf(null, "")
+}

idea/testData/gradle/importAndCheckNavigation/navigationToCommonizedLibrary/src/linuxX64Main/kotlin/x64.kt

@@ -0,0 +1,13 @@
+package x64
+
+import kotlinx.cinterop.CPointer
+import platform.posix.FILE
+import platform.posix.fopen
+import platform.posix.fprintf
+import platform.zlib.uInt
+
+fun test() {
+    val file: CPointer< /* NAVIGATION-TARGET:typealias FILE = */ FILE> = /* NAVIGATION-TARGET:external fun fopen */ fopen("file.txt", "r") ?: return
+    fun f1(): /* NAVIGATION-TARGET:typealias uInt = */ uInt = TODO()
+    /* NAVIGATION-TARGET:external fun fprintf */ fprintf(null, "")
+}