Change descendant-static-position-004.html to accommodate platform di…

…fference (#28897)

There is a tiny pixel difference that might caused by different approaches on roundings
among platforms. This CL changes above test to avoid this issue.

css/css-grid/abspos/descendant-static-position-004-ref.html

@@ -42,15 +42,15 @@
     </div>
 </div>
 
-<div class="grid" style="grid-template-columns: 43px">
-    <div class="absolute" style="margin-top:2px; margin-left:3px">
+<div class="grid" style="grid-template-columns: 44px">
+    <div class="absolute" style="margin-top:2px; margin-left:4px">
       <div class="content"></div>
       <div class="content"></div>
     </div>
 </div>
 
-<div class="grid" style="grid-template-columns: 43px">
-    <div class="absolute" style="margin-top:2px; border-left:2px solid black; padding-left:1px">
+<div class="grid" style="grid-template-columns: 44px">
+    <div class="absolute" style="margin-top:2px; border-left:2px solid black; padding-left:2px">
       <div class="content"></div>
       <div class="content"></div>
     </div>

css/css-grid/abspos/descendant-static-position-004.html

@@ -53,17 +53,17 @@
   </div>
 </div>
 
-<div class="grid" style="grid-template-columns: 43px">
-  <div style="padding-left:3px">
+<div class="grid" style="grid-template-columns: 44px">
+  <div style="padding-left:4px">
     <div class="absolute">
       <div class="content"></div>
       <div class="content"></div>
     </div>
   </div>
 </div>
 
-<div class="grid" style="grid-template-columns: 43px">
-  <div style="border-left:2px solid black; padding-left:1px">
+<div class="grid" style="grid-template-columns: 44px">
+  <div style="border-left:2px solid black; padding-left:2px">
     <div class="absolute">
       <div class="content"></div>
       <div class="content"></div>