Tighten issue gates and loop validation criteria

docs/run-001/05-execution/measurement.json

@@ -11,9 +11,9 @@
       "block_count": 0,
       "blocks": [],
       "clientHeight": 475,
-      "excess_px": 408,
+      "excess_px": 510,
       "overflowed": true,
-      "scrollHeight": 883
+      "scrollHeight": 985
     },
     "footer": {
       "block_count": 0,
@@ -27,9 +27,9 @@
       "block_count": 0,
       "blocks": [],
       "clientHeight": 475,
-      "excess_px": 122,
+      "excess_px": 145,
       "overflowed": true,
-      "scrollHeight": 597
+      "scrollHeight": 620
     }
   }
 }