[FIR] Don't miss diagnostics passed to @Suppress as names = []

In these cases we have a `FirVarargArgumentsExpression`
with a `FirNamedArgumentExpression` inside as its first
argument, which, in turn, has a `FirArrayLiteral`
argument.

^KT-62146 Fixed

compiler/fir/providers/src/org/jetbrains/kotlin/fir/declarations/FirAnnotationUtils.kt

@@ -180,7 +180,10 @@ fun List<FirAnnotation>.getAnnotationByClassIds(classIds: Collection<ClassId>, s
 
 fun FirExpression.unwrapVarargValue(): List<FirExpression> {
     return when (this) {
-        is FirVarargArgumentsExpression -> arguments
+        is FirVarargArgumentsExpression -> when (val first = arguments.firstOrNull()) {
+            is FirWrappedArgumentExpression -> first.expression.unwrapVarargValue()
+            else -> arguments
+        }
         is FirArrayLiteral -> arguments
         else -> listOf(this)
     }

compiler/testData/diagnostics/tests/suppressNamedArg.fir.kt

@@ -1,13 +0,0 @@
-// ISSUE: KT-62146
-
-@Deprecated("This is deprecated", level = DeprecationLevel.WARNING)
-fun deprecated() = 1
-
-@Suppress("DEPRECATION")
-fun main() = deprecated()
-
-@Suppress(names = ["DEPRECATION"])
-fun plain() = <!DEPRECATION!>deprecated<!>()
-
-@Suppress(names = arrayOf("DEPRECATION"))
-fun brain() = <!DEPRECATION!>deprecated<!>()

compiler/testData/diagnostics/tests/suppressNamedArg.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // ISSUE: KT-62146
 
 @Deprecated("This is deprecated", level = DeprecationLevel.WARNING)