Resolve #3402217 "Support inline layout"

Closes #3402217

assets/section.svg

+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 249.38 249.75">
+  <defs>
+    <style>
+      .cls-1 {
+        fill: none;
+        stroke: #fff;
+        stroke-miterlimit: 10;
+        stroke-width: 13px;
+      }
+
+      .cls-2 {
+        fill: #fff;
+        stroke-width: 0px;
+      }
+    </style>
+  </defs>
+  <rect class="cls-2" x="6.87" y="6.75" width="112.29" height="37.71"/>
+  <g>
+    <polygon class="cls-1" points="242.88 243.25 6.5 243.25 6.5 6.5 130.26 6.5 242.88 6.5 242.88 243.25"/>
+    <rect class="cls-1" x="6.87" y="6.75" width="112.29" height="37.71"/>
+  </g>
+</svg>
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