Native: terminate if cinterop ObjC reference conversion throws exception

To avoid forwarding Obj-C exceptions to Kotlin or vice versa.
Otherwise this might lead to a crash or other undesirable behaviour.

^KT-50648 Fixed

kotlin-native/backend.native/tests/interop/objc/kt50648/main.kt

@@ -0,0 +1,5 @@
+import objclib.*
+
+fun main() {
+    getVoidBlockAsId()
+}

kotlin-native/backend.native/tests/interop/objc/kt50648/objclib.def

@@ -0,0 +1,6 @@
+language = Objective-C
+---
+id getVoidBlockAsId() {
+    void (^result)(void) = ^{};
+    return result;
+}