FIR checker: fix ASSIGNING_SINGLE_ELEMENT_TO_VARARG_IN_NAMED_FORM_ANNOTATION

Currently this checker is missing `arrayOf` calls inside annotation.

compiler/testData/diagnostics/tests/varargs/prohibitAssigningSingleElementsInNamedForm.fir.kt

@@ -12,6 +12,10 @@ fun f1() {}
 @Anno2(i = intArrayOf(1))
 fun f2() {}
 
+@Anno1(s = arrayOf(elements = <!ASSIGNING_SINGLE_ELEMENT_TO_VARARG_IN_NAMED_FORM_FUNCTION_ERROR!>"foo"<!>))
+@Anno2(i = intArrayOf(elements = *intArrayOf(1)))
+fun f3() {}
+
 fun foo(vararg ints: Int) {}
 
 fun test() {

compiler/testData/diagnostics/tests/varargs/prohibitAssigningSingleElementsInNamedForm.kt

@@ -12,6 +12,10 @@ fun f1() {}
 @Anno2(i = intArrayOf(1))
 fun f2() {}
 
+@Anno1(s = arrayOf(elements = <!ASSIGNING_SINGLE_ELEMENT_TO_VARARG_IN_NAMED_FORM_FUNCTION_ERROR, TYPE_MISMATCH!>"foo"<!>))
+@Anno2(i = intArrayOf(elements = *<!REDUNDANT_SPREAD_OPERATOR_IN_NAMED_FORM_IN_FUNCTION!>intArrayOf(1)<!>))
+fun f3() {}
+
 fun foo(vararg ints: Int) {}
 
 fun test() {

compiler/testData/diagnostics/tests/varargs/prohibitAssigningSingleElementsInNamedForm.txt

@@ -2,6 +2,7 @@ package
 
 @Anno1(s = {"foo"}) @Anno2(i = {1}) public fun f1(): kotlin.Unit
 @Anno1(s = {"foo"}) @Anno2(i = {1}) public fun f2(): kotlin.Unit
+@Anno1(s = {"foo"}) @Anno2(i = {{1}}) public fun f3(): kotlin.Unit
 public fun foo(/*0*/ vararg ints: kotlin.Int /*kotlin.IntArray*/): kotlin.Unit
 public fun test(): kotlin.Unit
 
@@ -20,3 +21,4 @@ public final annotation class Anno2 : kotlin.Annotation {
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
+