* MM-43753: Module workspaces Move to module workspaces We make the following changes: - Remove the vendor directory. - Dynamically create the go.work file if it doesn't exist. - Set the MM_SERVER_PATH for enterprise tests. https://mattermost.atlassian.net/browse/MM-43753 ```release-note NONE ``` * Fix missing reference to MM_SERVER_PATH ```release-note NONE ``` * Update test to add another nested dir ```release-note NONE ``` * Have separate script to create go.work file ```release-note NONE ``` Co-authored-by: Mattermod <mattermod@users.noreply.github.com>