Static SPA (#648)

* core: initial migration to /if

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* core: move jsi18n to api

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* tests: fix static URLs in tests

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* web: add new html files to rollup

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* web: fix rollup config and nginx config

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* core: add Impersonation support to user API

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* web: add banner for impersonation

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* tests: fix test_user function for new User API

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* flows: add background to API

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* web: set background from flow API

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* core: make root view login_required for redirect

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* flows: redirect to root-redirect instead of if-admin direct

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* api: add header to prevent Authorization Basic prompt in browser

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* web: redirect to root when user/me request fails

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

tests/e2e/test_flows_login.py

@@ -14,7 +14,12 @@ class TestFlowsLogin(SeleniumTestCase):
     @apply_migration("authentik_flows", "0008_default_flows")
     def test_login(self):
         """test default login flow"""
-        self.driver.get(f"{self.live_server_url}/flows/default-authentication-flow/")
+        self.driver.get(
+            self.url(
+                "authentik_core:if-flow",
+                flow_slug="default-authentication-flow",
+            )
+        )
         self.login()
-        self.wait_for_url(self.shell_url("/library"))
+        self.wait_for_url(self.if_admin_url("/library"))
         self.assert_user(USER())