K2: Add KtDiagnosticRenderers.CLASS_ID to render ClassId FQNs with dots

KT-MR-13391

compiler/fir/analysis-tests/testData/resolveWithStdlib/ClassIdDiagnosticRendering.kt

@@ -0,0 +1,33 @@
+// WITH_EXTENDED_CHECKERS
+
+package a.b.c
+
+import <!PLATFORM_CLASS_MAPPED_TO_KOTLIN("kotlin.jvm.functions.Function0")!>kotlin.jvm.functions.Function0<!>
+
+@RequiresOptIn
+annotation class Marker
+
+@Marker
+class Some
+
+fun main() {
+    <!OPT_IN_USAGE_ERROR("a.b.c.Marker; This declaration needs opt-in. Its usage must be marked with '@a.b.c.Marker' or '@OptIn(a.b.c.Marker::class)'")!>Some<!>()
+}
+
+annotation class DummyAnnotation
+
+<!OPT_IN_ARGUMENT_IS_NOT_MARKER("a.b.c.DummyAnnotation")!>@SubclassOptInRequired(DummyAnnotation::class)<!>
+open class IncorrectSubclassOptInArgumentMarker
+
+internal fun interface StableInterface {
+    @Marker
+    fun experimentalMethod()
+}
+
+fun testOverrides() {
+    object : StableInterface {
+        override fun <!OPT_IN_OVERRIDE_ERROR("a.b.c.Marker; Base declaration of supertype 'StableInterface' needs opt-in. The declaration override must be annotated with '@a.b.c.Marker' or '@OptIn(a.b.c.Marker::class)'")!>experimentalMethod<!>() {}
+    }
+}
+
+<!NOT_A_MULTIPLATFORM_COMPILATION!>actual<!> typealias TypealiasToKotlinPkg = <!ACTUAL_TYPEALIAS_TO_SPECIAL_ANNOTATION("kotlin.Deprecated")!>kotlin.Deprecated<!>