API GetExpansionLevel

Returns the expansion level currently accessible by the player.
 expansionLevel = GetExpansionLevel()
==Returns==
:;expansionLevel: - The newest expansion currently accessible by the player.
==Details==
* Trial/Starter accounts are automatically upgraded to the second to last expansion.
* Updated after fires.
==Example==
Before and after the Shadowlands global launch at November 23 2020 at 3:00 p.m. PST. Requires the player to have pre-ordered/purchased the expansion.
/dump GetExpansionLevel() -- 7 -> 8
/dump GetAccountExpansionLevel() -- 8
/dump GetServerExpansionLevel() -- 7 -> 8
This API is equivalent to
 GetExpansionLevel() == min((), ())
==Patch changes==