fix(core): correctly emit MediaChange events

[paulotokimatu]

Related to #1059

Before:

https://imgur.com/CjYklut

Notice that both sm and md MediaQueries are activated.

After:

https://imgur.com/qKH32Lg

[paulotokimatu]

@ThomasBurleson Do you think there is any issue reverting the dueTime from 0 to 10?

[paulotokimatu]

@CaerusKaru Very sorry for bothering you, just pinging for feedback.

[epelc]

@paulotokimatu are you sure this is the correct way to fix this? It looks like debounceTime was used to switch the scheduler. Changing 0 to 10ms seems like it would have unintended consequences ie make it racy on slower devices.

[CaerusKaru]

I agree this isn't the correct solution. I appreciate your putting the time in to create this PR, and would be happy to work with you to get the correct fix in.

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