Fixed doc-comment not attached to the first declaration with no package directive + incorrect placement of comments for enum entry

compiler/testData/psi/kdoc/Markdown.txt

@@ -1,4 +1,6 @@
 JetFile: Markdown.kt
+  PACKAGE_DIRECTIVE
+    <empty list>
   KDoc
     PsiElement(KDOC_START)('/**')
     PsiWhiteSpace('\n ')
@@ -15,6 +17,4 @@ JetFile: Markdown.kt
     PsiElement(KDOC_MARKDOWN_ESCAPED_CHAR)('\]')
     PsiElement(KDOC_TEXT)(']')
     PsiWhiteSpace('\n ')
-    PsiElement(KDOC_END)('*/')
-  PACKAGE_DIRECTIVE
-    <empty list>
+    PsiElement(KDOC_END)('*/')