Implement `direction` property (#906)
1<test name="grid_absolute_row_start__content_box_rtl" use-rounding="true">
2 <viewport width="max-content" height="max-content"/>
3 <input>
4 <div display="grid" box-sizing="content-box" direction="rtl" padding-top="10px" padding-left="40px" padding-bottom="30px" padding-right="20px" grid-template-rows="40px 40px 40px" grid-template-columns="40px 40px 40px">
5 <div box-sizing="content-box" direction="rtl" position="absolute" top="1px" left="4px" bottom="2px" right="3px" grid-row-start="1"/>
6 </div>
7 </input>
8 <expectations>
9 <node x="0" y="0" width="180" height="160">
10 <node x="4" y="11" width="173" height="147"/>
11 </node>
12 </expectations>
13</test>