Implement `direction` property (#906)
1<test name="rounding_total_fractial__border_box_ltr" use-rounding="true">
2 <viewport width="max-content" height="max-content"/>
3 <input>
4 <div direction="ltr" flex-direction="column" width="87.4px" height="113.4px">
5 <div direction="ltr" flex-grow="0.7" flex-basis="50.3px" height="20.3px"/>
6 <div direction="ltr" flex-grow="1.6" height="10px"/>
7 <div direction="ltr" flex-grow="1.1" height="10.7px"/>
8 </div>
9 </input>
10 <expectations>
11 <node x="0" y="0" width="87" height="113">
12 <node x="0" y="0" width="87" height="59"/>
13 <node x="0" y="59" width="87" height="30"/>
14 <node x="0" y="89" width="87" height="24"/>
15 </node>
16 </expectations>
17</test>