[FIR] Add FirEnumEntry to HTML dump

compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt

@@ -849,6 +849,7 @@ class HtmlFirDump internal constructor(private var linkResolver: FirLinkResolver
 
     private fun FlowContent.generate(memberDeclaration: FirMemberDeclaration) {
         when (memberDeclaration) {
+            is FirEnumEntry -> generate(memberDeclaration)
             is FirRegularClass -> generate(memberDeclaration)
             is FirSimpleFunction -> generate(memberDeclaration)
             is FirProperty -> if (memberDeclaration.isLocal) generate(memberDeclaration as FirVariable<*>) else generate(memberDeclaration)
@@ -1679,6 +1680,12 @@ class HtmlFirDump internal constructor(private var linkResolver: FirLinkResolver
         }
     }
 
+    private fun FlowContent.generate(enumEntry: FirEnumEntry) {
+        iline {
+            simpleName(enumEntry.name)
+        }
+    }
+
     private fun HTML.generate(file: FirFile) {
         head {
             title { +file.name }