My anxiety is through the roof - cheesey

Ok, I have bad anxiety on a regular day, now with this change in my job, I'm just a mess.

Four days ago, they switched clients and switched software. I received an e-mail saying they may have a spot for me on the new platform. That was four days ago. I had e-mailed the lady about it because I have had ZERO work. I expected a delayed response because her father had a heart attack, so I didn't want to seem like an ass about it.

Got an e-mail today saying that she needs to talk to me and will call me when I start work. Oh my god. Is this the call....the dreaded call?

Also, since they did not respond to my e-mail in a few days' time nor did they tell me anything else, I've been logging into the old platform and going for 8 hours (my shift) and logging in 8 hours on my timesheet. They have to pay me for that, right? They never told me not to work that day or anything else.