feat(icons): added grid-3x3-off icon (#5071)

* feat(icons): added grid-3x3-off icon

* chore(icons): add suggested tags to `grid-3x3-off`

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* fix(icons): use standard off geometry for `grid-3x3-off`

* chore(icons): use metadata markers for `grid-3x3-off`

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Eric Fennis <eric.fennis@gmail.com>

icons/grid-3x3-off.json

@@ -0,0 +1,27 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "$extends:grid-3x3",
+    "gridalchemy"
+  ],
+  "use-cases": [
+    "Hiding grid lines on a canvas or artboard",
+    "Indicating that snap to grid is turned off",
+    "Hiding the cell grid in spreadsheets"
+  ],
+  "tags": [
+    "$extends:grid-3x3",
+    "$group:off",
+    "guides",
+    "snap",
+    "canvas",
+    "spreadsheet",
+    "cells",
+    "data table",
+    "diagram",
+    "overlay"
+  ],
+  "categories": [
+    "$extends:grid-3x3"
+  ]
+}

icons/grid-3x3-off.svg

@@ -0,0 +1,21 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M15 9.344V3" />
+  <path d="m2 2 20 20" />
+  <path d="M20.414 20.414A2 2 0 0119 21H5a2 2 0 01-2-2V5a2 2 0 01.586-1.414" />
+  <path d="M20.656 15H21" />
+  <path d="M21 9h-6.344" />
+  <path d="M3 15h12v6" />
+  <path d="M3 9h6v12" />
+  <path d="M8.656 3H19a2 2 0 012 2v10.343" />
+  <path d="M9 3v.344" />
+</svg>