[8.x] do not pause initially while waiting for an element

[pataar]

Currently the waitFor calls are pausing for $interval before checking that an element is visible. In a lot of cases this pause is obsolete because the element could be visible initially.

Potentially this could speed up many tests where a lot of waitFor calls are done while elements are visible initially.

[taylorotwell]

Thanks for your pull request to Laravel!

Unfortunately, I'm going to delay merging this code for now. To preserve our ability to adequately maintain the framework, we need to be very careful regarding the amount of code we include.

If applicable, please consider releasing your code as a package so that the community can still take advantage of your contributions!

[pataar]

@taylorotwell Will Dusk be going to an EOL state in the future?