修复房间列表R键刷新问题和noRoom文本不对

parts/language/lang_en.lua

@@ -252,7 +252,7 @@ return{
 		},
 		net_rooms={
 			refreshing="Refreshing Rooms",
-			noRooms="Such emptiness much void, come back later?",
+			noRoom="Such emptiness much void, come back later?",
 			refresh="Refresh",
 			new="New Room",
 			join="Join",

parts/language/lang_fr.lua

@@ -225,7 +225,7 @@ return{
 		},
 		net_rooms={
 			-- refreshing="Refreshing Rooms",
-			noRooms="Aucun salon actuellement",
+			noRoom="Aucun salon actuellement",
 			-- refresh="Refresh",
 			join="Rejoindre",
 			up="↑",

parts/language/lang_pt.lua

@@ -252,7 +252,7 @@ return{
 		},
 		net_rooms={
 			-- refreshing="Refreshing Rooms",
-			noRooms="Nenhuma sala agora",
+			noRoom="Nenhuma sala agora",
 			-- refresh="Refresh",
 			-- new="New room",
 			-- join="Join",

parts/language/lang_sp.lua

@@ -231,7 +231,7 @@ return{
 		},
 		net_rooms={
 			-- refreshing="Refreshing Rooms",
-			-- noRooms="No Rooms Now",
+			-- noRoom="No Rooms Now",
 			-- refresh="Refresh",
 			-- new="New room",
 			-- join="Join",

parts/language/lang_zh.lua

@@ -252,7 +252,7 @@ return{
 		},
 		net_rooms={
 			refreshing="刷新房间列表中",
-			noRooms="一个房间都没有哎...",
+			noRoom="一个房间都没有哎...",
 			refresh="刷新",
 			new="创建房间",
 			join="加入",

parts/scenes/net_rooms.lua

@@ -25,7 +25,7 @@ function scene.wheelMoved(_,y)
 end
 function scene.keyDown(k)
 	if k=="r"then
-		if fetchTimer<=0 then
+		if fetchTimer<=3.26 then
 			fetchRoom()
 		end
 	elseif k=="n"then