K1: count anonymous function as function expression in checkers

Related to KT-57991

compiler/frontend/src/org/jetbrains/kotlin/resolve/AnnotationChecker.kt

@@ -394,6 +394,7 @@ class AnnotationChecker(
                 is KtFunction -> {
                     when {
                         ExpressionTypingUtils.isFunctionExpression(descriptor) -> TargetLists.T_FUNCTION_EXPRESSION
+                        annotated.name == null -> TargetLists.T_FUNCTION_EXPRESSION
                         annotated.isLocal -> TargetLists.T_LOCAL_FUNCTION
                         annotated.parent is KtClassOrObject || annotated.parent is KtClassBody -> TargetLists.T_MEMBER_FUNCTION
                         else -> TargetLists.T_TOP_LEVEL_FUNCTION

compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.fir.kt

@@ -1,7 +0,0 @@
-// ISSUE: KT-57991
-
-fun foo() {
-    <!WRONG_MODIFIER_TARGET!>suspend<!> fun() {
-
-    }
-}

compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt

@@ -1,7 +1,8 @@
+// FIR_IDENTICAL
 // ISSUE: KT-57991
 
 fun foo() {
-    suspend fun() {
+    <!WRONG_MODIFIER_TARGET!>suspend<!> fun() {
 
     }
 }