更新压缩机制，提高前缀缓存命中率，优化UI渲染机制，提高帧数

tests/web_page/steps/v_date3s.json

@@ -0,0 +1,7 @@
+[
+  {"action": "snapshot", "max_elements": 300},
+  {"action": "date", "ref": 83, "value": "2005-07-09", "note": "证件有效起期"},
+  {"action": "date", "ref": 84, "value": "2006-07-09", "note": "证件有效止期"},
+  {"action": "wait", "wait_seconds": 1},
+  {"action": "eval_js", "js": "(() => { const a = document.querySelector('input[placeholder=\"证件有效起期\"]')?.value; const b = document.querySelector('input[placeholder=\"证件有效止期\"]')?.value; return '起期=' + a + ' 止期=' + b; })()"}
+]