Added support for vanilla small advanced rotor

Added support for mechanical top parts from the following mods:

* Attachments - large to small grid without limits!
* Electronics Panel - small blocks on large grid

Fix all the multiplayer desyncs!

Attempt to mitigate nested subgrids desynchronization in multiplayer.

Attempt to mitigate welding projections sometimes not working in multiplayer.

Fix place conveyor option not being synchronized in multiplayer.

Add option to not place conveyor.
Ensure that most of the game logic does not get executed on projected (ghost) blocks.

Fix projector offset not being set when "Auto project subgrid" is enabled.
Hopefully fix a couple of small multiplayer sync issues.
Fix sending multiplayer messages in offline mode.

Fix logic component being executed on projections/blueprints.