[FE] Allow to infer generic property type from a context receiver type

compiler/testData/codegen/box/extensionFunctions/contextReceivers/inferGenericPropertyType.kt

@@ -0,0 +1,19 @@
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_FIR: JVM_IR
+
+class Result<T>(val x: T)
+
+context(Result<T>)
+val <T> result: Result<T> get() = this@Result
+
+fun <T> Result<T>.x(): T {
+    with(result) {
+        return x
+    }
+}
+
+fun box(): String {
+    with(Result<String>("OK")) {
+        return x()
+    }
+}