[Commands] Add #setanon Command (#2690)

* [Commands] Add #setanon Command.

# Commands
- Adds `#setanon [Anonymous Flag]`.

# Notes
- Allows operators to turn on/off a player's anonymous flag so they can view their Magelo.

* Update eq_constants.h

* Add character ID support.

* Update setanon.cpp

common/eq_constants.h

@@ -1016,4 +1016,11 @@ enum FVNoDropFlagRule
 	AdminOnly = 2
 };
 
+enum Anonymity : uint8
+{
+	NotAnonymous,
+	Anonymous,
+	Roleplaying
+};
+
 #endif /*COMMON_EQ_CONSTANTS_H*/