TNT position fixes (#4519)

* TNT position fixes

* Don't add offset to explosion spawn coords

* Don't make other entities push TNT

* Correct initial TNT speed

* Fix typo

* Improvements

* Revert unwanted change

* Style fixes

* Update format

src/Entities/Entity.cpp

@@ -972,7 +972,7 @@ void cEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 			}
 		}
 	}
-	else
+	else if (!(IsMinecart() || IsTNT()))
 	{
 		// Push out entity.
 		BLOCKTYPE GotBlock;