fix(prompt): print FTCS in primary prompt only

resolves #5933

src/prompt/extra.go

@@ -91,10 +91,6 @@ func (e *Engine) ExtraPrompt(promptType ExtraPromptType) string {
 		}
 	}
 
-	if promptType == Transient && e.Config.ShellIntegration {
-		str += terminal.CommandStart()
-	}
-
 	switch e.Env.Shell() {
 	case shell.ZSH:
 		if promptType == Transient {

src/prompt/primary.go

@@ -89,7 +89,7 @@ func (e *Engine) writePrimaryPrompt(needsPrimaryRPrompt bool) {
 		e.write(terminal.RenderItermFeatures(e.Config.ITermFeatures, e.Env.Shell(), e.Env.Pwd(), e.Env.User(), host))
 	}
 
-	if e.Config.ShellIntegration && e.Config.TransientPrompt == nil {
+	if e.Config.ShellIntegration {
 		e.write(terminal.CommandStart())
 	}