Issue title: Crash when "fast_search_but_no_substring=false"
 Issue body: As soon as I start typing the program just disappears. Only when "false", otherwise it works when it's "true"
 Comments: 
 Comment 0: Same issue, I use v1.0.3
 Comment 1: Happens to me too
Error:
https://github.com/DoTheEvo/ANGRYsearch/issues/75#issuecomment-1259650456
 Comment 2: Same here , version 1.04-1 AUR repo, 

To clear this I need to delete the conf file so that it re creates it

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