Fix new project button alignment
What does this MR do?
Increases the width of the button/search container to fit all items at smaller screen width. The left side of the row can only have a max of two tabs (All Projects, Shared Projects), so everything can still fit on one line until they resize for mobile
Why was this MR needed?
The New project
button wrapped to next line at smaller screen width, breaking the layout
Screenshots (if relevant)
What are the relevant issue numbers?
Closes #20310 (closed)