FIX: Share topic shortcut (shift+s) (#22826)

This has been broken for a long time (since 04a63cfaaa)

app/assets/javascripts/discourse/app/lib/keyboard-shortcuts.js

@@ -106,7 +106,10 @@ const DEFAULT_BINDINGS = {
   "shift+k": { handler: "prevSection", anonymous: true },
   "shift+p": { handler: "pinUnpinTopic" },
   "shift+r": { handler: "replyToTopic" },
-  "shift+s": { click: "#topic-footer-buttons button.share", anonymous: true }, // share topic
+  "shift+s": {
+    click: "#topic-footer-buttons button.share-and-invite",
+    anonymous: true,
+  }, // share topic
   "shift+l": { handler: "goToUnreadPost" },
   "shift+z shift+z": { handler: "logout" },
   "shift+f11": { handler: "fullscreenComposer", global: true },

app/assets/javascripts/discourse/tests/acceptance/keyboard-shortcuts-test.js

@@ -244,4 +244,36 @@ acceptance("Keyboard Shortcuts - Authenticated Users", function (needs) {
 
     assert.strictEqual(resetNewCalled, 1);
   });
+
+  test("share shortcuts", async function (assert) {
+    await visit("/t/this-is-a-test-topic/9");
+    await triggerKeyEvent(document, "keypress", "J");
+    assert.ok(
+      exists(".post-stream .topic-post.selected #post_1"),
+      "first post is selected"
+    );
+
+    await triggerKeyEvent(document, "keypress", "J");
+    assert.ok(
+      exists(".post-stream .topic-post.selected #post_2"),
+      "pressing j moves selection to next post"
+    );
+
+    await triggerKeyEvent(document, "keypress", "S");
+    assert
+      .dom(".d-modal.share-topic-modal")
+      .exists("post-specific share modal is open");
+    assert
+      .dom("#discourse-modal-title")
+      .hasText(I18n.t("post.share.title", { post_number: 2 }));
+    await click(".modal-close");
+
+    await triggerKeyEvent(document, "keydown", "S", { shiftKey: true });
+    assert
+      .dom(".d-modal.share-topic-modal")
+      .exists("topic level share modal is open");
+    assert.dom("#discourse-modal-title").hasText(I18n.t("topic.share.title"));
+
+    await click(".modal-close");
+  });
 });