Optionally search for the entered term in the full path, not just the file name

Per user request, make an option (by default disabled) to search for the entered term not only in file names, but in full paths.

Example 1:

Search term: "folder1/*somefile*.cs" will match: "*somefile*.cs" in "folder1"

Example 2:

Search term: "folder2/*/*somefile2*" will match "*somefile2*.cs" in "folder2" or in any subfolder of "folder2"
