[IR] Fix calculation of receiver type for properies in expect/actual context

^KT-62926 Fixed

compiler/testData/codegen/box/multiplatform/k2/basic/expectActualOverloads.kt

@@ -2,9 +2,6 @@
 // IGNORE_NATIVE_K1: mode=ONE_STAGE_MULTI_MODULE
 // !LANGUAGE: +MultiPlatformProjects
 
-// Ignore until KT-62926 is fixed
-// IGNORE_BACKEND_K2: ANY
-
 // MODULE: common
 // TARGET_PLATFORM: Common
 // FILE: commonMain.kt
@@ -48,4 +45,4 @@ actual var String.l: String
 
 actual typealias S = String
 
-fun box() = test("O") + k()
+fun box() = test("O") + k()

compiler/testData/codegen/box/multiplatform/k2/extensionPropertiesOverloads.kt

@@ -0,0 +1,22 @@
+// LANGUAGE: +MultiPlatformProjects
+// IGNORE_BACKEND_K1: JVM, JVM_IR, JS, JS_IR, JS_IR_ES6, WASM
+// IGNORE_NATIVE_K1: mode=ONE_STAGE_MULTI_MODULE
+// ISSUE: KT-62926
+
+// MODULE: common
+// FILE: common.kt
+fun commonBox(): String {
+    return "".k + 1.k
+}
+
+expect val Int.k: String
+expect val String.k: String
+
+// MODULE: platform()()(common)
+// FILE: platform.kt
+actual val Int.k: String get() = "K"
+actual val String.k: String get() = "O"
+
+fun box(): String {
+    return commonBox()
+}