Fix get-volume sub

.config/eww/scripts/get-volume

@@ -12,6 +12,9 @@ getvolume() {
 }
 
 getvolume
-pactl subscribe | grep -E 'sink|source' | while read -r line; do
+pactl subscribe | while read -r line; do
+        if [[ "${line}" =~ sink|source ]]; then
+                echo 'it is'
                 getvolume
+        fi
 done