Fixes #3182 Fixes lazy loading of fields when query was created in default stage

When a DataObject query is created in the default stage (stage.Stage), then the
stage is changed to something else (stage.Live), the query itself runs
correctly against stage.Stage. However, lazy loaded fields incorrectly run
against stage.Live. This is due to DataQuery parameters not being saved when
the default stage is active.

This commit fixes this bug by always saving query params, even when the default
stage was active at the time of query creation.