android back button pops pages from stackview unless we reach

bottom of stack

electrum/gui/qml/components/main.qml

@@ -196,10 +196,15 @@ ApplicationWindow
     }
 
     onClosing: {
+        if (stack.depth > 1) {
+            close.accepted = false
+            stack.pop()
+        } else {
             // destroy most GUI components so that we don't dump so many null reference warnings on exit
             app.header.visible = false
             mainStackView.clear()
         }
+    }
 
     Connections {
         target: Daemon