Extend NON_MODIFIER_FORM_FOR_BUILT_IN_SUSPEND diagnostic

to include "suspend fun" token sequence as well

compiler/testData/diagnostics/testsWithStdLib/coroutines/nonModifierFormForBuiltInWithFun.kt

@@ -0,0 +1,30 @@
+// FIR_IDENTICAL
+// SKIP_TXT
+
+infix fun Int.suspend(c: () -> Unit) { c() }
+
+fun bar() {
+    1 <!MODIFIER_FORM_FOR_NON_BUILT_IN_SUSPEND!>suspend<!> fun() {
+        println()
+    }
+
+    1 <!SYNTAX!>@Ann suspend fun()<!> {
+        println()
+    }
+
+    1 <!MODIFIER_FORM_FOR_NON_BUILT_IN_SUSPEND!>suspend<!> @Ann fun() {
+        println()
+    }
+}
+
+@Target(AnnotationTarget.EXPRESSION)
+@Retention(AnnotationRetention.SOURCE)
+annotation class Ann
+
+fun main(suspend: WLambdaInvoke) {
+    1 <!MODIFIER_FORM_FOR_NON_BUILT_IN_SUSPEND!>suspend<!> fun() {}
+}
+
+class WLambdaInvoke {
+    operator fun Int.invoke(l: () -> Unit) {}
+}