AutoMode: grant modes upon gaining op

[Mikaela]

I am using AutoMode on IRCnet to replace services that it doesn't have and due to having titlesnarfer enabled, channel recovery (+R) tends to consider my Limnoria instance as the most active user and restores ops to it as the only op on the channel.

When the bot receives ops, nothing happens and one of the ops must /msg bot op #channel to gain ops and share ops by hand. I think the plugin would be a lot more useful if it did this by itself.

• <%R-66Y> The current (running) version of this Limnoria is 2023.08.10, running on Python 3.9.2 (default, Feb 28 2021, 17:03:44) [GCC 10.2.1 20210110]. The newest versions available online are 2023.08.10 (in master), 2023.08.10 (in testing).
• Debian GNU/Linux 11 (bullseye)

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This was originally mentioned in #390 (comment), but two years later I think this deserves a separate issue, while even the requested sync command would be helpful (although less than automatically doing it).