allow additional regex replacements to reference nonce

bubble-server/src/main/java/bubble/rule/AbstractAppRuleDriver.java

@@ -161,7 +161,10 @@ public abstract class AbstractAppRuleDriver implements AppRuleDriver {
         RegexFilterReader reader = new RegexFilterReader(new InputStreamReader(in), filter).setMaxMatches(1);
         if (modConfig.hasAdditionalRegexReplacements()) {
             for (BubbleRegexReplacement re : modConfig.getAdditionalRegexReplacements()) {
-                final RegexReplacementFilter f = new RegexReplacementFilter(re.getInsertionRegex(), re.getReplacement());
+                final RegexReplacementFilter f = new RegexReplacementFilter(
+                        re.getInsertionRegex(),
+                        re.getReplacement().replace(NONCE_VAR, filterRequest.getScriptNonce())
+                );
                 reader = new RegexFilterReader(reader, f);
             }
         }