By Matt Hladik With Trey Lance going into his first season as a starter, 49ers fans are going to hang on his every move this summer. That means when Lance plays well, as he has at times during training camp, fans can dream about the former No. 3 overall pick taking the offense to a higher level this fall. But when Lance struggles, as he reportedly did today, going 4-for-12 in what 49ers podcaster/writer Rob Lowder said was his “worst practice so far,” it will cause some people to sound the alarm. It’s best to not react too much either way to training camp practices, but some fans are worried t…