Added support sys view path type to Viewer backend

Author: n00bcracker

ydb/core/viewer/protos/viewer.proto

@@ -776,6 +776,7 @@ enum EAutocompleteType {
     view = 20;
     column = 21;
     index = 22;
+    sys_view = 23;
 }
 
 message TQueryAutocomplete {

ydb/core/viewer/viewer_autocomplete.h

@@ -231,6 +231,8 @@ class TJsonAutocomplete : public TViewerPipeClient {
                 return NKikimrViewer::file_store;
             case TNavigate::KindView:
                 return NKikimrViewer::view;
+            case TNavigate::KindSysView:
+                return NKikimrViewer::sys_view;
             default:
                 return NKikimrViewer::dir;
         }

ydb/core/viewer/viewer_describe.h

@@ -148,6 +148,8 @@ class TJsonDescribe : public TViewerPipeClient {
                 return NKikimrSchemeOp::EPathTypeFileStore;
             case TNavigate::KindView:
                 return NKikimrSchemeOp::EPathTypeView;
+            case TNavigate::KindSysView:
+                return NKikimrSchemeOp::EPathTypeSysView;
             default:
                 return NKikimrSchemeOp::EPathTypeDir;
         }