jf-actvitity: functioning route, ombi fixes

forgot to switch branches before doing a fix for #455, so it's in here
too. OmbiUserByJfID/getOmbiUser takes an optional email *string, to
optionally pass an override email address to search with, used when
changing it.

views.go

@@ -421,7 +421,7 @@ func (app *appContext) ResetPassword(gc *gin.Context) {
 			app.err.Printf(lm.FailedGetUser, username, lm.Jellyfin, err)
 			return
 		}
-		ombiUser, err := app.getOmbiUser(jfUser.ID)
+		ombiUser, err := app.getOmbiUser(jfUser.ID, nil)
 		if err != nil {
 			app.err.Printf(lm.FailedGetUser, username, lm.Ombi, err)
 			return