web/admin: Text and Textarea Fields that "hide" their contents until prompted (#15024)

* web: Add InvalidationFlow to Radius Provider dialogues

## What

- Bugfix: adds the InvalidationFlow to the Radius Provider dialogues
  - Repairs: `{"invalidation_flow":["This field is required."]}` message, which was *not* propagated
    to the Notification.
- Nitpick: Pretties `?foo=${true}` expressions: `s/\?([^=]+)=\$\{true\}/\1/`

## Note

Yes, I know I'm going to have to do more magic when we harmonize the forms, and no, I didn't add the
Property Mappings to the wizard, and yes, I know I'm going to have pain with the *new* version of
the wizard. But this is a serious bug; you can't make Radius servers with *either* of the current
dialogues at the moment.

* This (temporary) change is needed to prevent the unit tests from failing.

\# What

\# Why

\# How

\# Designs

\# Test Steps

\# Other Notes

* Revert "This (temporary) change is needed to prevent the unit tests from failing."

This reverts commit dddde09be5.

* web/admin: Provide `hidden` text and textarea components

## Details

This commit provides two new elements (technically, since they're API-unaware), one for `<input
type="text">`, and one for `<textarea>`, that provide for the ability to create fields that are (or
can be) hidden. A new boolean attribute, `revealed`, shows the state of the component (the content
is therefore *not* revealed by default).

It also includes a third new element, `ak-visibility-toggle`, that creates a hide/show toggle with
all the right icons, styling, and eventing.  It's straightforward, and isolating it improved the
DX of everything that uses that feature by quite a bit.

Storybook stories (with autodoc documentation) have been provided for `ak-hidden-text-input`,
`ak-hidden-textarea-input`, and `ak-visibility-toggle`.

## Maintenance Notice

As a maintenance detail, the field `ak-private-text` has been renamed `ak-secret-text` to reflect
its usage, and the places where it was used have all been changed to reflect that update.

* web/component: embed styling (for now) to handle the lightDom/shadowDom/slot conflicts in HorizontalLightComponent and HorizontalFormElement

* Comments and Types. I really shouldn't have to catch this stuff with my eyeballs.

* fix typo

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>
Co-authored-by: Jens Langhammer <jens@goauthentik.io>

web/src/admin/sources/ldap/LDAPSourceForm.ts

@@ -2,7 +2,7 @@ import "@goauthentik/admin/common/ak-crypto-certificate-search";
 import { placeholderHelperText } from "@goauthentik/admin/helperText";
 import { BaseSourceForm } from "@goauthentik/admin/sources/BaseSourceForm";
 import { DEFAULT_CONFIG } from "@goauthentik/common/api/config";
-import "@goauthentik/components/ak-private-text-input.js";
+import "@goauthentik/components/ak-secret-text-input.js";
 import "@goauthentik/elements/ak-dual-select/ak-dual-select-dynamic-selected-provider.js";
 import "@goauthentik/elements/forms/FormGroup";
 import "@goauthentik/elements/forms/HorizontalFormElement";
@@ -260,11 +260,11 @@ export class LDAPSourceForm extends BaseSourceForm<LDAPSource> {
                             class="pf-c-form-control"
                         />
                     </ak-form-element-horizontal>
-                    <ak-private-text-input
+                    <ak-secret-text-input
                         label=${msg("Bind Password")}
                         name="bindPassword"
                         ?revealed=${this.instance === undefined}
-                    ></ak-private-text-input>
+                    ></ak-secret-text-input>
                     <ak-form-element-horizontal label=${msg("Base DN")} required name="baseDn">
                         <input
                             type="text"