senpai: Fix crash on disconnect v1 APPLIED

delthas: 1
 Fix crash on disconnect

 1 files changed, 6 insertions(+), 0 deletions(-)
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[PATCH senpai] Fix crash on disconnect Export this patch

The crash was due to accessing app.s.Nick() when app.s was nil.

This is a good opportunity to print a special prompt when disconnected:
I chose `<offline>`, in red.
 app.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app.go b/app.go
index aa6a4c4..aed5249 100644
--- a/app.go
+++ b/app.go
@@ -811,6 +811,12 @@ func (app *App) updatePrompt() {
	} else if app.s == nil {
		prompt = ui.Styled("<offline>",
	} else {
		prompt = identString(app.s.Nick())
Thanks for the catch, pushed!

I'm open to making the color configurable if someone wants to send
another patch for it.