Fix E2E test cases and setup for GHA (#26944)

* Fix E2E test cases and setup for GHA
* Fix more test cases, apply recommendations

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

@@ -45,7 +45,6 @@ generate_docker_compose_file() {
 # Image hashes in this file are for amd64 systems
 # NB:  May include paths relative to the "server/build" directory, which contains the original compose file that this yaml is overriding
 
-version: "2.4"
 services:
   server:
     image: \${SERVER_IMAGE}
@@ -56,16 +55,10 @@ services:
       MM_SERVICESETTINGS_ALLOWCORSFROM: "*"
       MM_SERVICESETTINGS_ENABLELOCALMODE: "true"
       MM_SERVICESETTINGS_ENABLESECURITYFIXALERT: "false"
-      MM_PLUGINSETTINGS_ENABLED: "true"
-      MM_PLUGINSETTINGS_ENABLEUPLOADS: "true"
-      MM_PLUGINSETTINGS_AUTOMATICPREPACKAGEDPLUGINS: "true"
-      MM_TEAMSETTINGS_ENABLEOPENSERVER: "true"
       MM_SQLSETTINGS_DATASOURCE: "postgres://mmuser:mostest@localhost:5432/mattermost_test?sslmode=disable&connect_timeout=10&binary_parameters=yes"
       MM_SQLSETTINGS_DRIVERNAME: "postgres"
       MM_EMAILSETTINGS_SMTPSERVER: "localhost"
       MM_CLUSTERSETTINGS_READONLYCONFIG: "false"
-      MM_SERVICESETTINGS_ENABLEONBOARDINGFLOW: "false"
-      MM_FEATUREFLAGS_ONBOARDINGTOURTIPS: "false"
       MM_SERVICEENVIRONMENT: "test"
       MM_FEATUREFLAGS_MOVETHREADSENABLED: "true"
       MM_LOGSETTINGS_ENABLEDIAGNOSTICS: "false"