Add missing file with session constants - refs BT#21745

See b71eb67

assets/vue/constants/entity/session.js

@@ -0,0 +1,12 @@
+// Session visibility
+export const SESSION_VISIBILITY_VISIBLE = 1
+export const SESSION_VISIBILITY_READ_ONLY = 2
+export const SESSION_VISIBILITY_INVISIBLE = 3
+export const SESSION_VISIBILITY_AVAILABLE = 4
+
+// Session user roles
+export const SESSION_STUDENT = 0
+export const SESSION_DRH = 1
+export const SESSION_COURSE_COACH = 2
+export const SESSION_GENERAL_COACH = 3
+export const SESSION_ADMIN = 4