Unable to see code completion after the colon in comments.

LSP4IJ:

Vscode:

but I can see completion response:

[Trace - 16:51:13] Received response 'textDocument/completion - (190)' in 0ms.
Result: [
  {
    "label": "unused",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "undefined-global",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "need-import",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "deprecated",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "access-private-member",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "access-protected-member",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "access-package-member",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "missing-parameter",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "no-discard",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "disable-global-define",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "local-const-reassign",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "type-not-found",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "undefined-field",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  },
  {
    "label": "inject-field-fail",
    "kind": 20,
    "detail": "diagnostic code",
    "deprecated": false
  }
]

Reproduce the completion request in LSP4IJ after typing a colon in a comment, using the issue's trace to confirm that completion results arrive. Compare the behavior with VS Code and determine why the returned items are not displayed; done means the completion list is visible in that context.