web: full web components part 1 (#4964)

* migrate loading

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

* migrate api browser

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

* migrate base css

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

* move tenant fetching to base interface

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

* import pre-loaded stages in flow interface and not executor to strip down executor size

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

* fix redirect and such

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

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

web/src/user/user-settings/details/stages/prompt/PromptStage.ts

@@ -62,7 +62,7 @@ export class UserSettingsPromptStage extends PromptStage {
             <div class="pf-c-form__horizontal-group">
                 <div class="pf-c-form__actions">
                     <button type="submit" class="pf-c-button pf-m-primary">${t`Save`}</button>
-                    ${this.host.tenant.flowUnenrollment
+                    ${this.host.tenant?.flowUnenrollment
                         ? html` <a
                               class="pf-c-button pf-m-danger"
                               href="/if/flow/${this.host.tenant.flowUnenrollment}/"