feat: port reduction (#323)

* move mgmt pkg

* begin package restructure

* rename auth package to authz

* begin start api

* move auth

* move admin

* fix merge

* configs and interceptors

* interceptor

* revert generate-grpc.sh

* some cleanups

* console

* move console

* fix tests and merging

* js linting

* merge

* merging and configs

* change k8s base to current ports

* fixes

* cleanup

* regenerate proto

* remove unnecessary whitespace

* missing param

* go mod tidy

* fix merging

* move login pkg

* cleanup

* move api pkgs again

* fix pkg naming

* fix generate-static.sh for login

* update workflow

* fixes

* logging

* remove duplicate

* comment for optional gateway interfaces

* regenerate protos

* fix proto imports for grpc web

* protos

* grpc web generate

* grpc web generate

* fix changes

* add translation interceptor

* fix merging

* regenerate mgmt proto

internal/ui/login/handler/select_user_handler.go

@@ -0,0 +1,42 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/caos/zitadel/internal/auth_request/model"
+)
+
+const (
+	tmplUserSelection = "userselection"
+)
+
+type userSelectionFormData struct {
+	UserID string `schema:"userID"`
+}
+
+func (l *Login) renderUserSelection(w http.ResponseWriter, r *http.Request, authReq *model.AuthRequest, selectionData *model.SelectUserStep) {
+	data := userSelectionData{
+		baseData: l.getBaseData(r, authReq, "Select User", "", ""),
+		Users:    selectionData.Users,
+	}
+	l.renderer.RenderTemplate(w, r, l.renderer.Templates[tmplUserSelection], data, nil)
+}
+
+func (l *Login) handleSelectUser(w http.ResponseWriter, r *http.Request) {
+	data := new(userSelectionFormData)
+	authSession, err := l.getAuthRequestAndParseData(r, data)
+	if err != nil {
+		l.renderError(w, r, authSession, err)
+		return
+	}
+	if data.UserID == "0" {
+		l.renderLogin(w, r, authSession, nil)
+		return
+	}
+	err = l.authRepo.SelectUser(r.Context(), authSession.ID, data.UserID)
+	if err != nil {
+		l.renderError(w, r, authSession, err)
+		return
+	}
+	l.renderNextStep(w, r, authSession)
+}