fix(sidebar_item): make open URL behavior configurable

added an "Open in new tab" checkbox to sidebar item settings,
giving users direct control over how URLs are opened.

defaults to checked (_blank) to preserve existing behavior

frappe/boot.py

@@ -585,6 +585,7 @@ def get_sidebar_items(allowed_workspaces):
 					"filters": item.filters,
 					"route_options": item.route_options,
 					"tab": item.navigate_to_tab,
+					"open_in_new_tab": item.open_in_new_tab,
 				}
 				if item.link_type == "Report" and item.link_to and frappe.db.exists("Report", item.link_to):
 					report_type, ref_doctype = frappe.db.get_value(

frappe/public/js/frappe/ui/sidebar/sidebar_editor.js

@@ -333,6 +333,14 @@ export class SidebarEditor {
 				fieldtype: "Data",
 				label: "URL",
 			},
+			{
+				depends_on: 'eval: doc.link_type == "URL"',
+				fieldname: "open_in_new_tab",
+				fieldtype: "Check",
+				default: "1",
+				label: "Open in New Tab",
+				description: "open the URL in a new browser tab",
+			},
 			{
 				depends_on:
 					'eval: doc.type == "Link" || (doc.indent == 1 && doc.type == "Section Break")',

frappe/public/js/frappe/ui/sidebar/sidebar_item.html

@@ -23,7 +23,7 @@
             <a
                 {% if (path) { %}
                     href="{{ path }}"
-                    target="{%= item.link_type === "URL" ? "_blank" : "" %}"
+                    target="{%= item.link_type === "URL" && item.open_in_new_tab ? "_blank" : "" %}"
                 {% } %}
                 class="item-anchor"
             >