Re-add PartialEq removed in #230

[0HyperCube]

Remove more partialeq derives from the messaging system. (Edit: see last comment.) Unblocks #220

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[TrueDoctor]

wait a sec

[TrueDoctor]

We should evaluate it there is a good reason to require partial eq before just removing it

[Keavon]

Ok. I gave my approval but let's hold off until we can determine if this is the best course of action.

[TrueDoctor]

We will need an eq implementation for message deduplication which is why I initially put it there

[TrueDoctor]

We can have a discussion on if we can avoid requiring partial eq for that but it is a discussion we should have

[0HyperCube]

When would messages be duplicated?

[TrueDoctor]

When would messages be duplicated?

For example if you have multiple requests to update the canvas for example, you obviously only need to process the last one

[Keavon]

Summary from the discussion on Discord:

From @TrueDoctor:

I would favor reverting most of #230 but keeping the deprecation of our fork

I have force-pushed a commit which changes this PR to do that.