Do not fetch runtimes when getting list of all workspaces

wsmaster/che-core-api-workspace/src/main/java/org/eclipse/che/api/workspace/server/WorkspaceManager.java

@@ -235,7 +235,7 @@ public List<WorkspaceImpl> getWorkspaces(String user) throws ServerException {
         requireNonNull(user, "Required non-null user id");
         final List<WorkspaceImpl> workspaces = workspaceDao.getWorkspaces(user);
         for (WorkspaceImpl workspace : workspaces) {
-            normalizeState(workspace);
+            workspace.setStatus(runtimes.getStatus(workspace.getId()));
         }
         return workspaces;
     }

wsmaster/che-core-api-workspace/src/main/java/org/eclipse/che/api/workspace/server/WorkspaceRuntimes.java

@@ -536,6 +536,23 @@ public Map<String, WorkspaceState> getWorkspaces() {
         return new HashMap<>(workspaces);
     }
 
+    /**
+     * Return status of the workspace
+     *
+     * @param workspaceId
+     *         ID of requested workspace
+     * @return workspace status
+     */
+    public WorkspaceStatus getStatus(String workspaceId) {
+        try (@SuppressWarnings("unused") CloseableLock l = locks.acquireReadLock(workspaceId)) {
+            final WorkspaceState state = workspaces.get(workspaceId);
+            if (state == null) {
+                return WorkspaceStatus.STOPPED;
+            }
+            return state.status;
+        }
+    }
+
     private MessageConsumer<MachineLogMessage> getEnvironmentLogger(String workspaceId) throws ServerException {
         WebsocketMessageConsumer<MachineLogMessage> envMessageConsumer =
                 new WebsocketMessageConsumer<>(format(ENVIRONMENT_OUTPUT_CHANNEL_TEMPLATE, workspaceId));