DF Chat Enhancements: Change the way the module uses setProperty to add to the ChatMessageData flags as it unfortunately deletes all previously set by other modules.

[thatlonelybugbear]

Module
DF Chat Enhancements v4.0.0

Describe the issue
Issue mentioned here: https://discord.com/channels/170995199584108546/722566083499786352/989158818422358016

Quoting your answers from the Foundry discord that might help with context:

Yeah I'm not trying to override the flags property, just set my own value inside it, but because I happen to come last the setProperty just deletes everything in there instead of merging my single property into the existing object
I think the best workaround for this is for me to also use the string property nav since that seems to be working with multiple entries

and in response to Zhell's comment

Yeah keep yours as is. It's basically either everyone uses the loose string notation, or no one uses it and instead make proper existence checks. So I'll switch since I assume the expectation is everyone uses the loosey goosey method lol

[krbz999]

Using foundry.utils.mergeObject should be more than sufficient. It respects 'loose string' notation.