[PSI2IR] Support context receivers on classes

compiler/testData/codegen/box/extensionClasses/constructors.kt

@@ -0,0 +1,32 @@
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_RUNTIME
+
+class A(val ok: String)
+
+context(A)
+class B(oValue: Boolean = true, kValue: Boolean = true) {
+    var o: Boolean
+    var k: Boolean
+
+    init {
+        o = oValue
+        k = kValue
+    }
+
+    constructor(oValue: String, kValue: String) : this(oValue == "O", kValue == "K")
+
+    fun result() = if (o && k) ok else "fail"
+}
+
+fun box(): String {
+    val a = A("OK")
+    with (a) {
+        val results = listOf(
+            B(true, true).result(),
+            B("O", "K").result(),
+            B().result()
+        )
+        return if (results.all { it == "OK" }) "OK" else "fail"
+    }
+}