changed launcher privilege to "invoker" instead of "highest possible"
this is so that the launcher will not require "admin" privileges in some environments.
changes for GCP-8704
- added UpdateWorkspaceDirectoryNames action class to workbench installer
- this action renames the workspace directories to the project name if the workspace directory name is numeric
- limitation: ignores rename error caused by file locks

Reviewed by: Mae Turiana
updated status message when updating central/local databases

Reviewed by: Mae Turiana