fix(screencapt): screenshot preview was not displayed in notification

modules/home-manager/desktop/sway/includes/files/screencapt.sh

@@ -41,7 +41,7 @@ notify() {
     message+="Available in the clipboard"
   fi
   command=(notify-send "${summary}" --app-name="$APP_NAME")
-  if [[ -n "$filename" && "$ACTION" == "screenshots" ]]; then
+  if [[ -n "$filename" && "$ACTION" == "screenshot" ]]; then
     command+=(--icon="${filename}")
   else
     command+=("--icon=${ICONS[$ACTION]}")
@@ -72,6 +72,7 @@ process_args() {
       else
         exit 1
       fi
+      shift
       ;;
     -f | --file)
       TO_FILE=1