Revert "Removed unmapped composite support"

Removal of breaking changes from 4.1 release.

This reverts commit 929fb41.

Merge branch 'hotfix/4.0.9'

Merge branch 'hotfix/4.0.8'

Switch VSIX to use AsyncPackage

Closes npgsql#2478

(cherry picked from commit 29a2f6e)

Merge branch 'hotfix/4.0.6'

Merge branch 'hotfix/4.0.5'

Bump Npgsql.NetTopologySuite to v4.0.4.1

Other packages stay at v4.0.4

Merge branch 'hotfix/4.0.4'

Merge branch 'hotfix/4.0.3'

Merge branch 'hotfix/4.0.2'