Custom properties in full documents for QuickPulse - up to 10 from 3, consistent selection

[tokaplan]

Custom property in live full documents - up to 10 from 3, consistent selection

Changes

Custom properties in full documents for QuickPulse - bump the limit from 3 up to 10, and make the selection of properties to include consistent across documents.

Checklist

• [x ] I ran Unit Tests locally.
• [x ] CHANGELOG.md updated with one line description of the fix, and a link to the original issue if available.

The PR will trigger build, unit tests, and functional tests automatically. Please follow these instructions to build and test locally.

Notes for authors:

• FxCop and other analyzers will fail the build. To see these errors yourself, compile localy using the Release configuration.

Notes for reviewers:

• We support comment build triggers
  • /AzurePipelines run will queue all builds
  • /AzurePipelines run <pipeline-name> will queue a specific build