[FIR] propagate copy of original ConeKotlinType to anonymous functions to avoid concurrent modification

It is required to avoid leakage of annotations instance from
the original type
It should be enough to just create a new instance of an annotation
without a deep copy, because transformer shouldn't touch it

^KT-60387 Fixed

compiler/testData/diagnostics/tests/j+k/propagateFlexibleTypeToAnonymousFunction.kt

@@ -0,0 +1,22 @@
+// FIR_IDENTICAL
+// FILE: usage.kt
+val propertyToResolve: String
+    get() = JavaClass.function()?.let { " ($it)" } ?: ""
+
+// FILE: Anno.java
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Target;
+
+@Target(ElementType.TYPE_USE)
+public @interface Anno {
+    String value();
+}
+
+// FILE: JavaClass.java
+import java.util.List;
+
+public class JavaClass {
+    public static @Anno("outer") List<@Anno("middle") List<@Anno("inner") Integer>> function() {
+        return null;
+    }
+}