perf(check.service.js): optimize memory usage and performance in prot…

…otype pollution script

Refactored the ppfang script to enhance memory efficiency and performance. Implemented lazy
evaluation for property difference calculations and optimized iframe usage by introducing a reusable
clean window context. This update minimizes the memory footprint and improves the execution speed,
especially in scenarios where the script is run multiple times.

services/check.service.js

@@ -27,7 +27,9 @@ const probeAll = async (urls, concurrency = 10) => {
     try {
         const { results } = await PromisePool.for(urls)
             .withConcurrency(concurrency)
-            .onTaskFinished((url, pool) => console.log(`[${pool.processedPercentage().toFixed(2)}%] Processed ${url} ...`))
+            .onTaskFinished((url, pool) =>
+                console.log(`[${pool.processedPercentage().toFixed(2)}%] Processed ${url} ...`)
+            )
             .process(async (url) => {
                 const page = pages.length > 0 ? pages.shift() : await browser.newPage();
                 const result = await probe(url, page);