Integration bundle flip array

[lukassykora]

Please be sure you are submitting this against the staging branch.

Q	A
Bug fix?	Yes
New feature?
Automated tests included?	No
Related user documentation PR URL
Related developer documentation PR URL
Issues addressed (#s or URLs)
BC breaks?
Deprecations?

Description: Thhe plugin can not work with Integration bundle. Problem is the flipped key, value pairs.

Steps to reproduce the bug:

1. In the installation windows of plugin, there are visible keys coming from the Integration bundle like 'bidirectionally' in mapping section.
2. There is also an error that integration.js is missing.

Steps to test this PR:

1. Install plugin.
2. Run sync: bin/console mautic:integrations:sync [PluginName]

List deprecations along with the new alternative:

List backwards compatibility breaks: