Implement `tree` explain for `NestedLoopJoinExec`, `CrossJoinExec`, `SortMergeJoinExec` and `SymmetricHashJoinExec`

[irenjj]

Is your feature request related to a problem or challenge?

partof #14914

Describe the solution you'd like

No response

Describe alternatives you've considered

No response

Additional context

No response

[irenjj]

take