[K2] OPT_IN_MARKER_CAN_ONLY_BE_USED_AS_ANNOTATION_OR_ARGUMENT_IN_OPT_IN on an annotation import

Only tests added

^KT-59582

compiler/testData/diagnostics/testsWithStdLib/experimental/importStatement2.fir.kt

@@ -0,0 +1,10 @@
+// KT-59582
+
+// FILE: a.kt
+@RequiresOptIn
+annotation class Ann()
+
+// FILE: b.kt
+package b
+
+import Ann

compiler/testData/diagnostics/testsWithStdLib/experimental/importStatement2.kt

@@ -0,0 +1,10 @@
+// KT-59582
+
+// FILE: a.kt
+@RequiresOptIn
+annotation class Ann()
+
+// FILE: b.kt
+package b
+
+import <!OPT_IN_MARKER_CAN_ONLY_BE_USED_AS_ANNOTATION_OR_ARGUMENT_IN_OPT_IN!>Ann<!>