Don't show submit, cancel, amend buttons for non submittable doctypes (#4448)

frappe/core/page/permission_manager/permission_manager.js

@@ -155,7 +155,9 @@ frappe.PermissionEngine = Class.extend({
 				role: me.get_role()
 			},
 			callback: function(r) {
-				me.render(r.message);
+				frappe.model.with_doc('DocType', me.get_doctype(), () => {
+					me.render(r.message);
+				});
 			}
 		});
 	},
@@ -209,7 +211,10 @@ frappe.PermissionEngine = Class.extend({
 			var perm_cell = me.add_cell(row, d, "permissions").css("padding-top", 0);
 			var perm_container = $("<div class='row'></div>").appendTo(perm_cell);
 
-			$.each(me.rights, function(i, r) {
+			const { is_submittable } = frappe.model.get_doc('DocType', me.get_doctype());
+
+			me.rights.forEach(r => {
+				if (!is_submittable && ['submit', 'cancel', 'amend'].includes(r)) return;
 				me.add_check(perm_container, d, r);
 			});