MM-45194: Switch app/user and api4/user to logger context (#20674)

```release-note
NONE
```

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

api4/bot.go

@@ -304,7 +304,7 @@ func convertBotToUser(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	user, err := c.App.ConvertBotToUser(bot, &userPatch, systemAdmin)
+	user, err := c.App.ConvertBotToUser(c.AppContext, bot, &userPatch, systemAdmin)
 	if err != nil {
 		c.Err = err
 		return