KMP: Put "prohbit implicit Java actualization" under the flag

^KT-61668 Fixed

Review: https://jetbrains.team/p/kt/reviews/12062/timeline

compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_oldLanguageVersion.fir.kt

@@ -0,0 +1,15 @@
+// LANGUAGE: -MultiplatformRestrictions
+// MODULE: m1-common
+// FILE: common.kt
+
+<!NO_ACTUAL_FOR_EXPECT{JVM}!>expect class <!PACKAGE_OR_CLASSIFIER_REDECLARATION!>Foo<!>() {
+    fun foo()
+}<!>
+
+// MODULE: m2-jvm()()(m1-common)
+// FILE: Foo.java
+
+public class Foo {
+    public void foo() {
+    }
+}

compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_oldLanguageVersion.kt

@@ -0,0 +1,15 @@
+// LANGUAGE: -MultiplatformRestrictions
+// MODULE: m1-common
+// FILE: common.kt
+
+expect class Foo() {
+    fun foo()
+}
+
+// MODULE: m2-jvm()()(m1-common)
+// FILE: Foo.java
+
+public class Foo {
+    public void foo() {
+    }
+}