Add extension RemoveFromStart

Fix for alpha license (QuantConnect#5868)

* Fix organization read alpha license field

* Add import statement for python

Fix for alpha license (QuantConnect#5868)

* Fix organization read alpha license field

* Add import statement for python

Fix for alpha license (QuantConnect#5868)

* Fix organization read alpha license field

* Add import statement for python

Fix for alpha license (QuantConnect#5868)

* Fix organization read alpha license field

* Add import statement for python

Add import statement for python

Fix organization read alpha license field

Fix organization read alpha license field

Alpha holdings state (QuantConnect#5770)

* Alpha holdings state

- Alpha result packet will optionally provide the algorithms portfolio
  state

* Rename

* Convert AlphaStreamsPortfolio to data source

* Improvements on AlphaStreams algorithm

* Fix regression tests

* Add unit tests for EW AS PCM and fixing bugs

* Protobuf AlphaStreamsPortfoliot staState

- Protobuf AlphaStreamsPortfolioState. Adding unit tests
- Add variable TPV tests for EW ASPCM

* Add alpha license to Organization response

* Improvements EW AS PCM respects free portfolio value

* Fixes

- Update tests expected statistics results affected by MHDB custom data timezone fix
- Fix for Extensions.IsCustomDataType

* Fixed and adding more regression tests

- Adding support and regression test with alpha consumer with different account currency
- Adding support and regression test of a universe adding custom data
  types
- Add support and regression test for algorithm alpha consumer with existing holdings

* Add AlphaStreamsOrderEvent data type

BrokerageTransactionHandler - handle OrderStatus.New in order update/…

…cancel (QuantConnect#5867)