styling drop shift button from workers view

[saradotlog]

What type of PR is this? (check all applicable)

• [] Feature
• [] Refactor
• [] Bug Fix
• [x] Optimization
• [] Documentation Update
• [] Other (describe: )

Description of what PR does

It adds the same styling as the shifts page to the drop shift button in the "view assigned shifts" workers view

Shifts view:

Related PRs and/or Issues (if any)

• Step 6 https://github.com/OurTimeForTech/shiftwork2/issues/10

QA Instructions, Screenshots, Recordings

It can be seen at http://localhost:3000/workers/id

Added tests?

• [ ] yes
• [x] no, because they aren't needed (please include reasons for why tests aren't needed)
• [ ] no, because I need help
• [ ] no, they will be added later (please create an Issue for it)

Added to documentation?

• [ ] Yes, project README
• [ ] No documentation needed

[msarit]

resolve conflicts, @saradotlog and I will merge 👍🏾

[msarit]

@saradotlog Hey Sara! Merging this branch was okay this time, but please leave the merging to me 🙏🏾 😄

[saradotlog]

@aritamana Oops, sorry! 🤦🏻‍♀️ Won't do it again 😖

[msarit]

no worries!