FED-3500 add isAISummaryEnabled to activityUsageEntity

[aid848]

https://desire2learn.atlassian.net/browse/FED-3500

Note: requires https://github.com/Brightspace/lms/pull/52907

Add isAISummaryEnabled to activityUsageEntity to be used by content module editor to decide to show the "generate summary" button.

[github-actions[bot]]

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[d2l-github-release-tokens[bot]]

:tada: This PR is included in version 3.4.0 :tada:

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

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