Fix style for header buttons in "customization->toolbarNoTabs=true" mode

apps/api/documents/api.js

@@ -123,7 +123,7 @@
                     showReviewChanges: false,
                     help: true,
                     compactHeader: false,
-                    toolbarNoTabs: true,
+                    toolbarNoTabs: false,
                     toolbarHideFileName: false
                 },
                 plugins: {

apps/common/main/resources/less/toolbar.less

@@ -370,9 +370,13 @@
         }
 
         // TODO: move to appropriate module
-        .btn-header {
+        .btn-header, .btn-users {
             svg.icon {
-                fill: #000;
+                fill: @gray-deep;
+            }
+
+            .caption {
+                color: @gray-deep;
             }
 
             &:hover:not(.disabled) {
@@ -386,6 +390,10 @@
                     svg.icon {
                         fill: #fff;
                     }
+
+                    .caption {
+                        color: #fff;
+                    }
                 }
             }
         }