MB-51147: showAddView should depend on hasWritePermission

ADD VIEW button should be hidden in case useer has no
permissions.cluster.bucket[bucket].views!write permission

Change-Id: I2338febedddf8c45891204300f818b4fe049688d
Reviewed-on: https://review.couchbase.org/c/ns_server/+/171788
Tested-by: Pavel Blagodov <stochmail@gmail.com>
Well-Formed: Build Bot <build@couchbase.com>
Reviewed-by: Matthew Dawber <matthew.dawber@couchbase.com>

priv/public/ui/app/mn.views.list.component.js

@@ -127,10 +127,11 @@ class MnViewsListComponent extends MnLifeCycleHooksToStream {
     this.showAddView =
       combineLatest(this.isDevelopmentViews,
                     this.bucketsMembaseCouchstore,
-                    this.commonBucket)
-      .pipe(map(([isDevViews, buckets, commonBucket]) => {
+                    this.commonBucket,
+                    this.hasWritePermission)
+      .pipe(map(([isDevViews, buckets, commonBucket, hasWritePermission]) => {
 
-        if (!isDevViews || !buckets.length) {
+        if (!isDevViews || !buckets.length || !hasWritePermission) {
           return;
         }