Track plugins being loaded to unique dispatchers

[mbabker]

Pull Request for Issue #12690

Summary of Changes

JPluginHelper::importPlugin() has a static tracking array that only allows a plugin to be loaded once, preventing the ability for plugins to be registered to anything but the first dispatcher that gets used. Change the method to track loaded plugins based on the dispatcher to allow custom imports.

Testing Instructions

See the issue for more information.

Expected result

Plugins imported to each unique dispatcher.

Actual result

Plugins are only loaded to the first dispatcher (generally the singleton from JEventDispatcher::getInstance()).

Documentation Changes Required

N/A

[zero-24]

hmm. did i something wrong?

To me it looks like:

[mbabker]

We just had even more static tracking in the helper than I accounted for. Should be fine now.

[zero-24]

I have tested this item ✅ successfully on 6823e49

looks good to me. Thanks @mbabker

@iv660 and @franz-wohlkoenig can you take a look here? Thanks!

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[ghost]

@zero-24 didn't understand anything.

[zero-24]

@franz-wohlkoenig may you found some time to test this as you commented on the other issue too ;)

[ghost]

@zero-24 i asked if Issue is on latest staging too;-)

[alikon]

I have tested this item ✅ successfully on 414a26b

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