Improved git conflict resolution experience by prompting message if user has no merge tool configured.
Minor UI tweaks to styling of buttons.
修补程序
Fixed issue where VCS side panel would sometimes execute git fetch twice at once leading to error banner appearing.
Fixed issue where errors cleaning the shadow database would not be reported correctly if flyway engine returned content on stderr.
Fixed issue where the version number would not increment correctly when adding new migrations and using non-SQL migration suffix, e.g. when in a MongoDB project.