[Commands] Add #fish Command (#4136)

* [Commands] Add #fish Command

# Notes
- Adds `#fish` command.
- Allows operators to simulate fishing to see what they would get, consumes no bait.

* `use_bait`

* Update fish.cpp

zone/gm_commands/fish.cpp

@@ -0,0 +1,6 @@
+#include "../client.h"
+
+void command_fish(Client *c, const Seperator *sep)
+{
+	c->GoFish(true, false);
+}