[Analysis API] add diagnostic tests for unresolved reference inside primary constructor

^KT-62437

analysis/low-level-api-fir/testData/getOrBuildFir/annotations/annotationOnEnumClass.kt

@@ -0,0 +1,13 @@
+// LOOK_UP_FOR_ELEMENT_OF_TYPE: org.jetbrains.kotlin.psi.KtAnnotationEntry
+
+<expr>@Anno</expr>
+enum class MyClass(val i: Int = foo()) {
+    ENTRY1,
+    ENTRY2(42);
+
+    fun boo(a: String) {
+
+    }
+}
+
+fun foo() = 42