Hide cognitive and blockchain from dropdown filter

Author: luizrrodrigues

src/server/tc-communities/blockchain/metadata.json

@@ -9,6 +9,7 @@
   "communityName": "Blockchain Community",
   "groupIds": ["20000010"],
   "hideSearch": true,
+  "hideFilter": true,
   "logos": [{
     "img": "/community-app-assets/themes/blockchain/logo_topcoder_with_name.svg",
     "url": "https://www.topcoder.com"

src/server/tc-communities/cognitive/metadata.json

@@ -16,6 +16,7 @@
     "url": "https://www.topcoder.com"
   }],
   "hideSearch": true,
+  "hideFilter": true,
   "menuItems": [
     {
       "title": "Home",

src/server/tc-communities/tco19/metadata.json

@@ -2,6 +2,7 @@
   "challengeFilter": {
     "events": ["tco19"]
   },
+  "hidden": true,
   "communityId": "tco19",
   "communityName": "TCO19",
   "groupIds": ["20000078"],

src/shared/components/challenge-listing/Filters/FiltersPanel/index.jsx

@@ -181,7 +181,7 @@ export default function FiltersPanel({
   };
 
   const communityOps = communityFilters.filter(community => (
-    (!community.hidden && community.groupIds && community.groupIds.length > 0) || community.communityName === 'All'
+    (!community.hidden && !community.hideFilter && !_.isEmpty(community.groupIds)) || community.communityName === 'All'
   ))
     .map(community => ({
       label: community.communityName,