UX: puts back share-panel as floating pane on post actions (#7066)

test/javascripts/components/share-button-test.js.es6

@@ -0,0 +1,16 @@
+import componentTest from "helpers/component-test";
+
+moduleForComponent("share-button", { integration: true });
+
+componentTest("share button", {
+  template: '{{share-button url="https://eviltrout.com"}}',
+
+  test(assert) {
+    assert.ok(find(`button.share`).length, "it has all the classes");
+
+    assert.ok(
+      find('button[data-share-url="https://eviltrout.com"]').length,
+      "it has the data attribute for sharing"
+    );
+  }
+});

test/javascripts/components/share-button.js.es6

@@ -0,0 +1,13 @@
+import Button from "discourse/components/d-button";
+
+export default Button.extend({
+  classNames: ["btn-default", "share"],
+  icon: "link",
+  title: "topic.share.help",
+  label: "topic.share.title",
+  attributeBindings: ["url:data-share-url"],
+
+  click() {
+    return true;
+  }
+});