add "open workspace in tab" command

plugin/src/workspace-picker.js

@@ -0,0 +1,31 @@
+const { FuzzySuggestModal } = require("obsidian");
+
+class WorkspacePickerModal extends FuzzySuggestModal {
+  constructor(app) {
+    super(app);
+    this.setPlaceholder("Open workspace in new tab");
+  }
+
+  getItems() {
+    const plugin = this.app.internalPlugins.plugins.workspaces;
+
+    if (!plugin || !plugin.enabled || !plugin.instance) {
+      return [];
+    }
+
+    return Object.keys(plugin.instance.workspaces);
+  }
+
+  getItemText(item) {
+    return item;
+  }
+
+  onChooseItem(item) {
+    const url = new URL(window.location.href);
+
+    url.searchParams.set("workspace", item);
+    window.open(url.toString(), "_blank");
+  }
+}
+
+module.exports = { WorkspacePickerModal };