Other: fix bug in login screen <-> main window transition. [skip ci]

Other: fixed bug with split mode toggle. [skip ci]

Other: fix QML warnings. [skip ci]

Other: fix showMainWindow gRPC event binding. [skip ci].

QML Fixes [skip ci]

Other: wait for EventStreamReader thread to finish on exit.

Other: made BridgeMonitor generic, as ProcessMonitor. [skip ci]

internal/frontend/grpc/utils.go

@@ -64,7 +64,7 @@ func grpcUserFromBridge(user types.User) *User {
 		Username:       user.Username(),
 		AvatarText:     getInitials(user.Username()),
 		LoggedIn:       user.IsConnected(),
-		SplitMode:      user.IsCombinedAddressMode(),
+		SplitMode:      !user.IsCombinedAddressMode(),
 		SetupGuideSeen: true, // users listed have already seen the setup guide.
 		UsedBytes:      user.UsedBytes(),
 		TotalBytes:     user.TotalBytes(),