Merge pull request #13497 from Expensify/Rory-FixPusherSuffix

[No QA] Fix set-pusher-suffix

scripts/set-pusher-suffix.sh

@@ -4,9 +4,13 @@
 # config file to be parsed for the suffix (relative to current project root)
 CONFIG_FILE="../Web-Expensify/_config.local.php"
 
-if [ -f ".env" ]; then
-    # Export vars from the .env file to access the $EXPENSIFY_URL
-    export "$(grep -v '^#' .env | xargs)"
+if [ -f '.env' ]; then
+    while read -r line; do
+        if [[ "$line" == \#* ]]; then
+            continue
+        fi
+        export "${line?}"
+    done < .env
 fi
 
 # use the suffix only when the config file can be found