fix(general-ads): null check for identifier

Author: oSumAtrIX

app/src/main/java/app/revanced/integrations/patches/GeneralBytecodeAdsPatch.java

@@ -146,7 +146,7 @@ public static boolean isAdComponent(StringBuilder pathBuilder, String identifier
             return true;
         }
 
-        if (identifierBlock.isBlocked(identifier)){
+        if (identifier != null && identifierBlock.isBlocked(identifier)){
             LogHelper.debug(GeneralBytecodeAdsPatch.class, "Blocked: " + identifier);
             return true;
         }