CLD-5699 Preliminary fixes (#25040)

* Rework some of PR24647
* Store MM_LICENSE to .env.server file
* Remove legacy network setup
* Fixes, generate docker-compose and env files in one place
* Simplify templating mechanism for server.yml
* Fix race condition for dashboard start
* Fix websockets for local debugging
* Fix: make webhook-interaction work again
* Simplify and fix dashboard&cloud configuration, formatting fix

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/.ci/server.run_test.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -e -u -o pipefail
+cd "$(dirname "$0")"
+. .e2erc
+
+case $TEST in
+cypress)
+  ./server.run_cypress.sh
+  ;;
+playwright)
+  ./server.run_playwright.sh
+  ;;
+none)
+  mme2e_log "Running with TEST=$TEST. No tests to run."
+  exit 0
+  ;;
+*)
+  mme2e_log "Error, unsupported value for TEST: $TEST" >&2
+  mme2e_log "Aborting" >&2
+  exit 1
+  ;;
+esac