refactor(editor): remove redundant edgeless icons (#10169)

Continue [BS-2240](https://linear.app/affine-design/issue/BS-2240/%E6%B8%85%E7%90%86%E9%87%8D%E5%A4%8D%E7%9A%84icon)

This PR removes `icons/edgeless.ts` and refactor with `@blocksuite/icons` for reducing redundant icons

blocksuite/affine/block-note/src/components/more-indicator.ts

@@ -0,0 +1,17 @@
+import { html } from 'lit';
+
+export const MoreIndicator = html`<svg
+  width="34"
+  height="29"
+  viewBox="0 0 34 29"
+  fill="none"
+  xmlns="http://www.w3.org/2000/svg"
+>
+  <path
+    d="M3 14.4292L16.8345 18.9019C17.0345 18.9665 17.2498 18.9665 17.4498 18.9019L31.2843 14.4292"
+    stroke="black"
+    stroke-opacity="0.3"
+    stroke-width="5"
+    stroke-linecap="round"
+  />
+</svg>`;