Show description of autoimport action for tsserver

autoload/ale/completion.vim

@@ -314,6 +314,10 @@ function! ale#completion#ParseTSServerCompletionEntryDetails(response) abort
     for l:suggestion in a:response.body
         let l:displayParts = []
 
+        for l:action in get(l:suggestion, 'codeActions', [])
+            call add(l:displayParts, l:action.description . ' ')
+        endfor
+
         for l:part in l:suggestion.displayParts
             call add(l:displayParts, l:part.text)
         endfor

test/completion/test_tsserver_completion_parsing.vader

@@ -122,13 +122,13 @@ Execute(Entries without details should be included in the responses):
   \ [
   \   {
   \     'word': 'abc',
-  \     'menu': '(property) Foo.abc: number',
+  \     'menu': 'import { def } from "./Foo"; (property) Foo.abc: number',
   \     'info': '',
   \     'kind': 'f',
   \     'icase': 1,
   \     'user_data': json_encode({
   \         'codeActions': [{
-  \             'description': 'abc action',
+  \             'description': 'import { def } from "./Foo";',
   \             'changes': [],
   \         }],
   \     }),
@@ -168,7 +168,7 @@ Execute(Entries without details should be included in the responses):
   \       {'text': 'number'},
   \     ],
   \     'codeActions': [{
-  \        'description': 'abc action',
+  \        'description': 'import { def } from "./Foo";',
   \        'changes': [],
   \     }],
   \   },