[Commands] Cleanup #reloadzps Command. (#2129)

* [Commands] Cleanup #reloadzps Command.
- Cleanup messages and logic.
- Make reloading of zone points global instead of zone specific.

* Further cleanup.
- Add zone->GetZoneDescription().
- Add mob->GetTargetDescription(mob).

* Final cleanup.

* Typo.

zone/gm_commands/bind.cpp

@@ -7,39 +7,27 @@ void command_bind(Client *c, const Seperator *sep)
 		target = c->GetTarget()->CastToClient();
 	}
 
-	target->SetBindPoint();
-
-	bool in_persistent_instance = (
-		zone->GetInstanceID() != 0 &&
-		zone->IsInstancePersistent()
-	);
-
-	auto target_string = (
-		c == target ?
-		"Yourself" :
-		fmt::format(
-			"{} ({})",
-			target->GetCleanName(),
-			target->GetID()
+	bool bind_allowed = (
+		!zone->GetInstanceID() ||
+		(
+			zone->GetInstanceID() != 0 &&
+			zone->IsInstancePersistent()
 		)
 	);
 
+	if (!bind_allowed) {
+		c->Message(Chat::White, "Yu cannot bind here.");
+		return;
+	}
+
+	target->SetBindPoint();
+
 	c->Message(
 		Chat::White,
 		fmt::format(
-			"Set Bind Point for {} | Zone: {} ({}) ID: {} {}",
-			target_string,
-			zone->GetLongName(),
-			zone->GetShortName(),
-			zone->GetZoneID(),
-			(
-				in_persistent_instance ?
-				fmt::format(
-					" Instance ID: {}",
-					zone->GetInstanceID()
-				) :
-				""
-			)
+			"Set Bind Point for {} | Zone: {}",
+			c->GetTargetDescription(target),
+			zone->GetZoneDescription()
 		).c_str()
 	);
 
@@ -47,7 +35,7 @@ void command_bind(Client *c, const Seperator *sep)
 		Chat::White,
 		fmt::format(
 			"Set Bind Point for {} | XYZ: {:.2f}, {:.2f}, {:.2f}",
-			target_string,
+			c->GetTargetDescription(target),
 			target->GetX(),
 			target->GetY(),
 			target->GetZ()