[JVM IR] ForLoopsLowering: Keep IMPLICIT_NOTNULL type-casts in next()

and `componentN()` calls.

There were issues when we have iterables from Java where the element
type has "not null" type information.

compiler/testData/codegen/box/ranges/javaInterop/javaCollectionOfInheritedNotNullFailFast.kt

@@ -0,0 +1,43 @@
+// !LANGUAGE: +StrictJavaNullabilityAssertions
+// TARGET_BACKEND: JVM
+// IGNORE_BACKEND: JVM
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_RUNTIME
+
+// Note: This fails on JVM (non-IR) with "Fail: should throw on get() in loop header". The not-null assertion is not generated when
+// assigning to the loop variable. The root cause seems to be that the loop variable is a KtParameter and
+// CodegenAnnotatingVisitor/RuntimeAssertionsOnDeclarationBodyChecker do not analyze the need for not-null assertions on KtParameters.
+
+// FILE: box.kt
+import kotlin.test.*
+
+fun box(): String {
+    // Sanity check to make sure there IS an exception even when not in a for-loop
+    try {
+        val i = JImpl().listOfNotNull()[0]
+        return "Fail: should throw on get()"
+    } catch (e: IllegalStateException) {}
+
+    try {
+        for (i in JImpl().listOfNotNull()) {
+            return "Fail: should throw on get() in loop header"
+        }
+    }
+    catch (e: IllegalStateException) {}
+    return "OK"
+}
+
+interface J {
+    fun listOfNotNull(): List<Int>
+}
+
+// FILE: JImpl.java
+import java.util.*;
+
+public class JImpl implements J {
+    // Type argument (Int) gets @EnhancedNullability because it is not nullable in overridden Kotlin function.
+    @Override
+    public List<Integer> listOfNotNull() {
+        return Collections.singletonList(null);
+    }
+}