fix stuff

PadelClub/Views/Navigation/MainView.swift

@@ -57,7 +57,7 @@ struct MainView: View {
             ActivityView()
                 .tabItem(for: .activity)
                 .onAppear {
-                    if checkingFiles == false {
+                    if let lastDataSource, lastDataSource != URL.importDateFormatter.string(from: Date()), checkingFiles == false, importingFiles == false {
                         Task {
                             await self._checkSourceFileAvailability()
                         }