* MM-52282 Remove ExperimentalSettings.PatchPluginsReactDOM * Fix missing file from last commit * Fix test usage of plugin.NewEnvironment
https://mattermost.atlassian.net/browse/MM-52079 ```release-note We upgrade the module version to 8.0. The new module path is github.com/mattermost-server/server/v8. ``` Co-authored-by: Doug Lauder <wiggin77@warpmail.net>