Improve toString on SessionStatistics

Description

toString on SessionStatisticsImpl is missing a comma - patch attached.

Before:
SessionStatistics[entity count=100collection count=1100]

After:
SessionStatistics[entity count=100,collection count=1100]

Environment

None

Status

Assignee

Brett Meyer

Reporter

David Sheldon

Fix versions

Labels

None

backPortable

None

Suitable for new contributors

None

Requires Release Note

None

Pull Request

None

backportDecision

None

Components

Priority

Trivial