fix network reader after reconnection to the network

Modules/Net/popup.swift

@@ -147,7 +147,7 @@ internal class Popup: NSView {
     
     public func usageCallback(_ value: Usage) {
         DispatchQueue.main.async(execute: {
-            if !self.window!.isVisible && self.initialized {
+            if !self.window!.isVisible && self.initialized && value.active {
                 return
             }
             

Modules/Net/readers.swift

@@ -32,12 +32,10 @@ internal class UsageReader: Reader<Usage> {
         
         self.reachability!.whenReachable = { _ in
             self.readInformation()
-            self.start()
         }
         self.reachability!.whenUnreachable = { _ in
             self.usage.reset()
             self.callback(self.usage)
-            self.stop()
         }
     }