Consider forcing wrapping of po files at 79 chars per line

Whenever one opens a po file in poedit, lines may get rewrapped without any real change within the file. We should consider unifying at how many characters this should happen to avoid senseless commits.

Feature Branch: tails.git:translation_platform_hooks

Parent Task: #15079 (closed)

Related issues

Related to #15605 (closed)
Related to #15819 (closed)
Related to #16102 (closed)

Original created by @u on 15408 (Redmine)

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