to replace now obsolete TransferToEDTQueue#drain

RUBY-22256 Fixed regression about non-working Autoscroll from Source button in structure view in YAML files

* Do not wait until changes are loaded in background - show loading progress in the dialog

* Their implementation is overridden in AbstractVcsHelperImpl

IDEA-CR-36946

empty ranges can appear when comment start/end token is separated from the comment body (e.g. xml)
these empty ranges break continuation matching

Also test data rename was performed and fixed possible error because of missing settings restore after tests

IDEA-CR-36063

* Remove `currentFile` parameter, as it's actual value is either `FileAnnotation.getFile` or `null`.

The problem fixed in edbeda58

For Rider's Type Hierarchy to work efficiently, we need to reconfigure the tree and access a model of any activated
tree.

plugins should be able to decide if type component is not synthetic
relates to #SCL-14375

more generic synthetic check in StackFrameItem#createFrames

#SCL-14373 exception fixed