[CL-573] Move all svg icons to new libs/assets (#16020)

* create libs/assets

* treeshake lib and filter out non-icons from icon story

* update docs

* fix icon colors in browser and desktop

* better name for vault icon

* move illustrations

libs/assets/src/svg/icon-service.spec.ts

@@ -0,0 +1,38 @@
+import * as IconExports from "./icon-service";
+import { DynamicContentNotAllowedError, isIcon, svgIcon } from "./icon-service";
+
+describe("Icon", () => {
+  it("exports should not expose Icon class", () => {
+    expect(Object.keys(IconExports)).not.toContain("Icon");
+  });
+
+  describe("isIcon", () => {
+    it("should return true when input is icon", () => {
+      const result = isIcon(svgIcon`icon`);
+
+      expect(result).toBe(true);
+    });
+
+    it("should return false when input is not an icon", () => {
+      const result = isIcon({ svg: "not an icon" });
+
+      expect(result).toBe(false);
+    });
+  });
+
+  describe("template literal", () => {
+    it("should throw when attempting to create dynamic icons", () => {
+      const dynamic = "some user input";
+
+      const f = () => svgIcon`static and ${dynamic}`;
+
+      expect(f).toThrow(DynamicContentNotAllowedError);
+    });
+
+    it("should return svg content when supplying icon with svg string", () => {
+      const icon = svgIcon`safe static content`;
+
+      expect(icon.svg).toBe("safe static content");
+    });
+  });
+});