[jetbrains]: force initialize maven project

[akosyakov]

Description

to work around initialization after warmup in prebuilds

Related Issue(s)

Fixes #

How to test

Release Notes

Documentation

Werft options:

• /werft with-local-preview
  If enabled this will build install/preview
• /werft with-preview
• /werft with-large-vm
• /werft with-integration-tests=all
  Valid options are all, workspace, webapp, ide

[roboquat]

@akosyakov: Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

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[werft-gitpod-dev-com]

started the job as gitpod-build-ak-init-maven.1 because the annotations in the pull request description changed
(with .werft/ from main)

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[felladrin]

I've opened a new PR for checking it, as this one couldn't be reopened:

• [JetBrains] Ensure prebuilt workspaces using Maven Wrapper are properly initialized in IntelliJ IDEA #14656