Various Dark Theme fixes per QA feedback (#1212)

* Fix CORS issue on in-line theming javascript

* Fix date picker icon color

* Add comment

* Fix table theming in dark mode

* Selfhosted navbar fix

* Rename selector to avoid clashing with bootstrap

* Do not set initial theme if default

* Fix .text-danger style in dropdown lists

* Fix toast style, restructure toast and card scss

* Fix table and dropdown list hover color

* Use callout component for Disable Send warning

* Remove unneeded theming for hovering over links

* Undo changes to register enterprise2 layout

* Apply theming to Safari input field icons

e.g. Caps lock, password autofill

* Selectively apply themed logo CSS

* Fix unrelated linting

* Fix webpack config to bundle theme.js

Co-authored-by: Danny Murphy <6512845+dltmurphy@users.noreply.github.com>

src/app/layouts/navbar.component.html

@@ -1,4 +1,4 @@
-<nav class="navbar navbar-expand navbar-dark" [ngClass]="{'bg-secondary-alt': selfHosted}">
+<nav class="navbar navbar-expand navbar-dark" [ngClass]="{'nav-background-alt': selfHosted}">
     <div class="container">
         <a class="navbar-brand" routerLink="/" appA11yTitle="{{'pageTitle' | i18n : 'Bitwarden'}}">
             <i class="fa fa-shield" aria-hidden="true"></i>