Change ghcid script to only do a clean build when started

ghcid

 #!/usr/bin/env zsh
 
+print -P %F{yellow}Cleaning repository%f
+nix develop -c cabal clean
+
 (git ls-files test; git ls-files '*.cabal'; git ls-files 'flake.*') | \
   entr -r \
     nix develop -c \
@@ -7,8 +10,6 @@
         --warnings \
         "--command=cabal repl lib:quasar" \
         "--test=:! \
-          zsh -c 'print -P %F{yellow}Cleaning repository%f' && \
-          cabal clean && \
           cabal test --test-show-details=direct --ghc-option -fdiagnostics-color=always && \
           cabal build --ghc-option -fdiagnostics-color=always && \
           zsh -c 'print -P %F{green}Build and tests passed%f' \