firefox: enable smooth scrolling

When set to default, it apparently won't apply, so trying locked to not
confuse user when it re-enables itself.

conf/firefox-forbidden-policies.js

@@ -18,6 +18,9 @@ lockPref("cookiebanners.bannerClicking.enabled", true);
 lockPref("cookiebanners.service.mode", 2);
 lockPref("cookiebanners.service.mode.privateBrowsing", 2);
 
+// Enable smooth scrolling. Has no effect in policy for some reason
+lockPref("general.smoothScroll", true);
+
 // I can set my preferred fonts in an order! :O
 // but obviously this is forbidden in policies.json!
 // Remember to allow fonts in privacy.fingerprintingProtection overrides and forbid document fonts to defeat font fingerprinting kind of

etc/firefox/policies/policies.json

@@ -954,6 +954,12 @@
 				"Type": "number",
 				"Value": 0
 			},
+			"general.smoothScroll": {
+				"Comment": "This seems to have no effect even without errors. See autoconfig.",
+				"Status": "locked",
+				"Type": "boolean",
+				"Value": true
+			},
 			"general.useragent.extra.firefox": {
 				"Status": "clear"
 			},