Find Filenames Issues

[Linked-Liszt]

There seems to be a default that's providing suggestions even if no files are found.

It should not show anything if this is the case.

Adding additional find file names bugs:

• Edge case when there's a number at the end of a file when detecting file range. example: Al30_thick_2Dmesh2_%d.h5 detects Al30_thick_2Dmesh%d_%d.h5
• There seems to be a default that's providing suggestions even if no files are found, in the input file in the indexing form.