When clicking button to drive the oq-engine API, bring dialog on top if available (instead of creating a new instance)
When clicking button to drive the oq-engine API, bring dialog on top if available (instead of creating a new instance)

gem/oq-svir-qgis,gem/oq-svir-qgis,gem/oq-svir-qgis,gem/oq-svir-qgis