fix: update package manager name

neofetch

@@ -1566,11 +1566,11 @@ get_packages() {
             has pisi       && tot pisi li
             has pacstall   && tot pacstall -L
             
-            if has mp; then
-              mppkgs=$(matt list --grep | grep -v ">>>")
+            if has matt; then
+              matt_pkgs=$(matt list --grep | grep -v ">>>")
               while IFS= read -r line; do
                   packages+=( $line )
-              done <<< "$mppkgs"
+              done <<< "$matt_pkgs"
               pac $((${#packages[@]}-pkgs_h))
             fi