fix(latex): reorder viewers wrt +latex-viewers

If a viewer already exists in `TeX-view-program-selection`, loading
`+viewer.el` does not change its order because `add-to-list` does
nothing when the item is already in the list.

Close: #8046
Fix: #5275
Co-authored-by: cartoonist <cartoonist@users.noreply.github.com>
This commit is contained in:
Henrik Lissner 2024-09-05 14:45:16 -04:00
parent 1fa1eba5ac
commit 03e5f1333c
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