Brian Lester 39cd819cfa (fix)completions: fix candidate display (#1759) ...

Recent changes to how candidates are formatted (using a display property
to allow for searching in the full candidate while only showing enough
to fit in the frame), #1754, causes problems when the field value is already
preformatted (a user function, like the one provided in doom emacs,
already applies some faces with `propertize`). Generally the display
string get messed up and formatting gets applied to the whole display.
This PR updates the call that add the display property to the candidate
to remove all the styling from the candidate before the styled (and
truncated) display string is added as a property. This allows the
display string to look correct according to the properties a user has
already assigned.

This PR also fixes another bug from this change, where if a
`field-value` is and empty string `""` it would not get padded out to
the `field-width` causing misalignments between candidates.

2021-08-10 14:01:58 +08:00

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