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

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

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

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e -u -o pipefail
+cd "$(dirname "$0")"
+. .e2erc
+
+if [ "$SERVER" != "cloud" ]; then
+  mme2e_log "Skipping cloud instance teardown: operation supported only for cloud server, but running with SERVER='$SERVER'"
+  exit 0
+fi
+
+mme2e_log "Tearing down cloud tests"
+
+mme2e_log "Loading .env.cloud"
+. .env.cloud
+
+# Assert that required variables are set
+MME2E_ENVCHECK_MSG="variable required for tearing down cloud tests, but is empty or unset."
+: "${CWS_URL:?$MME2E_ENVCHECK_MSG}"
+: "${MM_CUSTOMER_ID:?$MME2E_ENVCHECK_MSG}"
+
+mme2e_log "Deleting customer $MM_CUSTOMER_ID."
+curl -X DELETE "${CWS_URL}/api/v1/internal/tests/customers/$MM_CUSTOMER_ID/payment-customer"
+
+mme2e_log "Test cloud customer deleted, MM_CUSTOMER_ID: $MM_CUSTOMER_ID."