[Commands] Add #find account Subcommand (#4981)

Credit goes to https://github.com/The-Heroes-Journey-EQEMU/Server/pull/281

zone/gm_commands/find/account.cpp

@@ -0,0 +1,50 @@
+#include "../../client.h"
+#include "../../common/repositories/account_repository.h"
+
+void FindAccount(Client *c, const Seperator *sep)
+{
+	const uint16 arguments = sep->argnum;
+	if (arguments < 2) {
+		c->Message(Chat::White, "Usage: #find account [Character Name]");
+		c->Message(Chat::White, "Note: Used to print the account ID and name of the account a character belongs to.");
+		return;
+	}
+
+	const std::string& character_name = sep->arg[2];
+
+	const auto& e = CharacterDataRepository::FindByName(database, character_name);
+
+	if (!e.id) {
+		c->Message(
+			Chat::White,
+			fmt::format(
+				"Character '{}' does not exist.",
+				character_name
+			).c_str()
+		);
+		return;
+	}
+
+	auto a = AccountRepository::FindOne(database, e.account_id);
+
+	if (!a.id) {
+		c->Message(
+			Chat::White,
+			fmt::format(
+				"Character '{}' is not attached to an account.",
+				character_name
+			).c_str()
+		);
+		return;
+	}
+
+	c->Message(
+		Chat::White,
+		fmt::format(
+			"Account {} ({}) owns the character {}.",
+			a.name,
+			a.id,
+			character_name
+		).c_str()
+	);
+}