fix: update client script to set default formats.

This is initially done on the client script as it is implicit.
user can always choose different formats.

after sometime will make them default on the server side.

print_designer/print_designer/client_scripts/print.js

@@ -1,3 +1,4 @@
+// TODO: revisit and properly implement this client script
 frappe.pages["print"].on_page_load = function (wrapper) {
 	frappe.require(["pdfjs.bundle.css", "print_designer.bundle.css"]);
 	frappe.ui.make_app_page({
@@ -398,10 +399,15 @@ frappe.ui.form.PrintView = class PrintView extends frappe.ui.form.PrintView {
 		if (
 			frappe.meta
 				.get_print_formats(this.frm.doctype)
-				.includes(this.toolbar_print_format_selector.$input.val()) ||
-			!this.frm.meta.default_print_format
+				.includes(this.toolbar_print_format_selector.$input.val())
 		)
 			return;
+		if (!this.frm.meta.default_print_format) {
+			if (this.frm.doctype != "Sales Invoice") return;
+			this.print_format_selector.val("Sales Invoice PD Format v2");
+			this.toolbar_print_format_selector.$input.val("Sales Invoice PD Format v2");
+			return;
+		}
 		this.toolbar_print_format_selector.$input.empty();
 		this.toolbar_print_format_selector.$input.val(this.frm.meta.default_print_format);
 	}