Incorrect handling of inline comments

### Steps to reproduce

1. Create a Lua file:
```lua
    { -- Something begins here...
```
2. Execute `<Cmd>CBllline<CR>` while on the line.

### Desired result
```lua
    { -- Something begins here... ──────────────────────────────────────────────
```

### Actual result
```lua
-- ── { -- Something begins here... ──────────────────────────────────────────────
```