Flip the "Parent all targets under project" default to true.
Flip the "Parent all targets under project" default to true.

Parenting targets into a tree can be confusing:
 * there's no best way to display a DAG in a tree
 * the tree won't reflect the temporal order in which the targets ran

A flat target list is better because it shows the actual temporal order.

See related: https://github.com/KirillOsenkov/MSBuildStructuredLog/issues/396

KirillOsenkov/MSBuildStructuredLog,KirillOsenkov/MSBuildStructuredLog