tests/e2e: Add E2E tests for Flow SFE (#14484)

* add e2e test for SFE login

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

* add helper text in SFE on password stage

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

* build sfe for e2e

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

* fix ci e2e cache key not considering sfe

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

* fix sfe missing from docker build

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

* sigh I forgot npm

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

---------

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

.github/workflows/ci-main.yml

@@ -200,7 +200,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: web/dist
-          key: ${{ runner.os }}-web-${{ hashFiles('web/package-lock.json', 'web/src/**') }}
+          key: ${{ runner.os }}-web-${{ hashFiles('web/package-lock.json', 'web/src/**', 'web/packages/sfe/src/**') }}-b
       - name: prepare web ui
         if: steps.cache-web.outputs.cache-hit != 'true'
         working-directory: web
@@ -208,6 +208,7 @@ jobs:
           npm ci
           make -C .. gen-client-ts
           npm run build
+          npm run build:sfe
       - name: run e2e
         run: |
           uv run coverage run manage.py test ${{ matrix.job.glob }}