Widen filename list

[pHiney]

Fixes not being able to see all the filename.

Description of the problem being solved:

As there is a maximum filename length, widen the filename list to match it.

Steps taken to verify a working solution:

• Create a build and save it. Keep typing characters until the input box no longer accepts characters.
• Select Save
• You should see the whole name in the list.

Link to a build that showcases this PR:

N/A

Note the build "Lightning SRS Champion - expensive bits needed before switching to SRS - The STRONGEST SRS - NoMoreT" in both screenshots:

Before screenshot:

After screenshot: