restructure the wrapper to be simplified and pass CLI args when launched

root/defaults/autostart

@@ -1,22 +1,2 @@
 #! /bin/bash
-
-# Only start in no-sandbox mode on unpriv systems
-if grep -q 'Seccomp:	0' /proc/1/status; then
-  chromium-browser \
-    --ignore-gpu-blocklist \
-    --no-first-run \
-    --password-store=basic \
-    --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' \
-    --start-maximized \
-    --user-data-dir > /dev/null 2>&1
-else
-  chromium-browser \
-    --ignore-gpu-blocklist \
-    --no-first-run \
-    --no-sandbox \
-    --password-store=basic \
-    --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' \
-    --start-maximized \
-    --test-type \
-    --user-data-dir > /dev/null 2>&1
-fi
+chromium-browser ${CHROME_CLI}