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Force assign ID on LiveComponents to re-render during :phoenix_live_reload #3320

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jonklein
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Live reloading does not currently work with live_components, as described in phoenixframework/phoenix_live_reload#162.

This PR adds support for live reloading of live_components by force re-assigning the live component’s ID field when processing the :phoenix_live_reload message.

I’m not familiar enough with the LiveView internals to know if this is the correct approach, but it’s working well for me in testing - please let me know if there’s a better way to accomplish this.

@josevalim
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FWIW, I have been talking to @chrismccord about supporting a new strategy which is basically rebuilding the page but without doing a full navigation. Regarding the patch above, I think it will call the update callback, which we probably don't want to? We probably need to change the Diff module and simply ask them to be re-rendered again?

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