Refactor bottomTabs options applying mechanism. Both bottomTab and bottomTabs presenters were part of the base UIViewController class which was wrong. This commits moves them to the BottomTabsController.

This refactor mostly contains the following

* Detach bottomTabPresenter from basePresenter
* Create tabBarItem appearance on presenter init
* Refactor bottomTabPresenter
* Refactor bottomTabPresenter
* Move appearance creation to bottomTabsController
* Merge child options with direct child controller

This commit fixes issues with BottomTabs text color on iOS 13

* Extract bottomTab options from base presenter
* Add iOS 13 appearance support for bottomTabs and bottomTab

* Apply layout.backgroundColor on parent view controllers

* Add layout.componentBackgroundColor

* Remove drawBehind deprecation

* Set  as default modalPresentationStyle

* Sets the system default modalPresentationStyle

* Fix tests

* Fix unit tests

* Fix unit tests

* Add modal.swipeToDismiss option

* Support centered bottomTab icons using bottomTabs.titleDisplayMode option

* Improve readability, better namings

* Rename setTabItemImagesCentered to centerTabItems

Break all the PRs :(

iOS and Android code base used different naming conventions - this commit aims to unify naming conventions. I probably missed a few properties here and there so this will be an ongoing effort.