Merge pull request #18466 from frappe/mergify/bp/version-14-hotfix/pr-18431

fix: consider now datetime if the default value is now for datetime field (backport #18431)

frappe/public/js/frappe/form/controls/datetime.js

@@ -5,8 +5,10 @@ frappe.ui.form.ControlDatetime = class ControlDatetime extends frappe.ui.form.Co
 		if (!value) {
 			this.datepicker.clear();
 			return;
-		} else if (value === "Today") {
+		} else if (value.toLowerCase() === "today") {
 			value = this.get_now_date();
+		} else if (value.toLowerCase() === "now") {
+			value = frappe.datetime.now_datetime();
 		}
 		value = this.format_for_input(value);
 		this.$input && this.$input.val(value);