[Guilds] Clean up GUILD_RANK_NONE references (#4059)

Should be exhaustive for guild rank values
Cleans up redefinition of `GUILD_RANK_NONE` by including `GUILD_RANK_NONE_TI`
Fixes #4057

zone/client_packet.cpp

@@ -8163,6 +8163,10 @@ void Client::Handle_OP_GuildInvite(const EQApplicationPacket *app)
 				rank = GUILD_LEADER;
 				break;
 			}
+			default: {
+				rank = GUILD_RANK_NONE;
+				break;
+			}
 		}
 	}
 
@@ -8564,6 +8568,10 @@ void Client::Handle_OP_GuildPromote(const EQApplicationPacket *app)
 					rank = GUILD_LEADER;
 					break;
 				}
+				default: {
+					rank = GUILD_RANK_NONE;
+					break;
+				}
 			}
 		}