Fixes #26235

* Improve code coverage for our Button plugin

* improve coverage for our Alert plugin

* test tooltip update method

* test update and dispose for dropdown

* increase code coverage requirements

Also, add a missing license header in build/workbox.js.

* update docs path from docs/4.0/ to docs/4.1/

* bump version to 4.1.0

* Update redirects to work for 4.1 docs move

* Update docs version switcher to include latest and link to 4.0 docs

* re-run dist

* Update package-lock.json

* Update docs-navbar.html

* Remove note about multiple inputs

* patchs the PR and removes the word Also

While the old one will keep working, better switch to the new one.

Pagination move `.page-link:focus` outline value to variable `$pagination-focus-outline` so we can unset it via Sass and don't have to re-implement browser defaults

* Allow url(), attr(), none,... as breadcrumb divider
* Update breadcrumb divider docs

- Replaces CSS variables with their appropriate hex values
- Fixes the broken navbar transition by moving from 2D translates to using position
- Fix broken IE navbar toggler placement with some utilities (not necessary anywhere else, but necessary given flexbox quirks)

* Update Dashboard example

- Replaces .sticky-top on .navbar with .fixed-top
- Adjusts padding on main content area and sidebar to account for fixed navbar
- Move to padding in sidebar instead of top: 48px; fixes Firefox rendering issue
- Adds new .shadow utility for a little extra cherry on top
- Moves sticky styles to separate feature query ruleset to avoid IE rendering issues

* Add .w-100 to chart to fix IE horizontal scroll from label that extended past viewport

1. It's == "it is"

2. The subject of the sentence is "Only one" (not "these") so the verb must agree with it.

Feel free to do nothing with this change, use it, etc - I just saw this while reading through the code.

Uses orphans/widows trick from @fran-worley at https://github.com/twbs/bootstrap/issues/20925#issuecomment-333492739.

Fixes #20925.

Removes the .justify-content-between from a navbar form example given it's the default style. Instead, mention how to adjust this and link to flex utils.

Closes #25829, closes #25924