fix current dimmode on page change (add nextion2text)

HMI/n2t-out/screensaver.txt

@@ -68,6 +68,15 @@ Variable (string) tSend
         Text          : 
         Max. Text Size: 50
     
+Number n0
+    Attributes
+        Scope                               : local
+        Dragging                            : 0
+        Disable release event after dragging: 0
+        Send Component ID                   : disabled
+        Associated Keyboard                 : none
+        Value                               : 0
+    
 Text tTime
     Attributes
         Scope                               : local
@@ -400,6 +409,7 @@ Timer tmSerial
                                         // get value normal
                                         spstr strCommand.txt,tTmp.txt,"~",2
                                         covx tTmp.txt,dimValueNormal,0,0
+                                        n0.val=dimValueNormal
                                     }
                                     if(tInstruction.txt=="time")
                                     {