Consolidate some perm check logic

src/components/model-index/ByjoveModelIndex.vue

@@ -168,22 +168,11 @@ export default {
             return this.getModelSlug()
         },
 
-        hasPerm(perm) {
-
-            // if user is root then assume permission
-            if (this.$store.state.user && this.$store.state.user.is_root) {
-                return true
-            }
-
-            // otherwise do true perm check for user
-            return this.$store.state.permissions.includes(perm)
-        },
-
         hasModelPerm(perm) {
 
             // do normal check, but first add prefix
             let prefix = this.getModelPermissionPrefix()
-            return this.hasPerm(prefix + '.' + perm)
+            return this.$hasPerm(prefix + '.' + perm)
         },
 
         renderLabel(obj) {