we should drain timer before reset it

According to https://antonz.org/timer-reset

fix iframe OOPIF issue

Resolve go-rod#548

Feat: Add the PagePool.TryGet method while it returns an error for pr…

…ocessing. (go-rod#1051)

* PagePool add TryGet to deal error that Page() returns.

* modify tryget

* Add BrowserPool TryGet test

* test coverage

* go fmt

* go fmt

* pool.Get -> pool.MustGet; pool.Get allow error

---------

Co-authored-by: bestmountain <[email protected]>

fix: shouldn't reset the user preferences by default

Resolve go-rod#1041

fix lint issues

doc

fix test

should use the same host as the input

fix go-rod#972

disable the pdf viewer by default

add InputColor (go-rod#919)