[neurun] Schedule branch by branch instead of node (#6965)

[neurun] Schedule branch by branch instead of node (#6965)

* [neurun] Schedule branch by branch instead of node

Related issue: 6963
Schedule whole branch (that can be seen as a subgraph) recursively
before moving to next node

Signed-off-by: Poshshoev Dilshodzhon <d.poshshoev@samsung.com>
* Fix CI failure

Signed-off-by: Poshshoev Dilshodzhon <d.poshshoev@samsung.com>
* Address offline review

Signed-off-by: Poshshoev Dilshodzhon <d.poshshoev@samsung.com>
* Fix review feedbacks

Signed-off-by: Poshshoev Dilshodzhon <d.poshshoev@samsung.com>
* Address feedbacks: rename scheduleRecursively

Signed-off-by: Poshshoev Dilshodzhon <d.poshshoev@samsung.com>
* Fix documentation typo

Signed-off-by: Poshshoev Dilshodzhon <d.poshshoev@samsung.com>