feat: global signal handling with context cancellation

Signed-off-by: Alano Terblanche <18033717+Benehiko@users.noreply.github.com>

cli/command/container/start.go

@@ -87,7 +87,8 @@ func RunStart(ctx context.Context, dockerCli command.Cli, opts *StartOptions) er
 		// We always use c.ID instead of container to maintain consistency during `docker start`
 		if !c.Config.Tty {
 			sigc := notifyAllSignals()
-			go ForwardAllSignals(ctx, dockerCli.Client(), c.ID, sigc)
+			bgCtx := context.WithoutCancel(ctx)
+			go ForwardAllSignals(bgCtx, dockerCli.Client(), c.ID, sigc)
 			defer signal.StopCatch(sigc)
 		}