fix #7985 -- course: add new student dialog crashes cocalc

Author: williamstein

src/packages/frontend/course/commands.ts

@@ -1,12 +1,19 @@
 import { ENV_VARS_ICON } from "@cocalc/frontend/project/settings/environment";
-import { course } from "@cocalc/frontend/i18n";
 
-export const COMMANDS = {
+interface Command {
+  icon: string;
+  label: string;
+  button: string;
+  title: string;
+  onClick: any;
+}
+
+export const COMMANDS: { [name: string]: Command } = {
   "add-students": {
     icon: "users",
-    label: course.add_students,
+    label: "Add Students",
     button: "+Student",
-    title: course.add_students_tooltip,
+    title: "Add one or more students to this course.",
     onClick: ({ props }) => {
       const { actions } = props;
       actions.setModal("add-students");
@@ -249,7 +256,7 @@ export const COMMANDS = {
   },
   "delete-shared-project": {
     icon: "trash",
-    label: course.delete_shared_project,
+    label: "Delete Shared Project",
     button: "Delete",
     title:
       "Student projects will not be deleted. If you make a mistake, students can still be undeleted from the Student tab or using TimeTravel.",
@@ -260,10 +267,10 @@ export const COMMANDS = {
   },
   "create-shared-project": {
     icon: "users",
-    label: course.create_shared_project,
+    label: "Create Shared Project",
     button: "Shared",
     title:
-      "Create a single common shared project, which everybody – students and all collaborators on this project (your TAs and other instructors) – have write access to.",
+      "Create a single common shared project, which everybody -- students and all collaborators on this project (your TAs and other instructors) -- have write access to.",
     onClick: ({ props }) => {
       const { actions } = props;
       actions.setModal("create-shared-project");