Revert solstice-assets update, fix JSON extra comma

Uses old lock file to remove 174 update as something that is being
brought over is causing ts to fail compilation. We will open a
regression issue and reimplement fix.

src/main/resources/working_groups.json

@@ -778,7 +778,7 @@
 					"description": "Guest Member"
 				}
 			]
-		},
+		}
 		
 	}
 }

src/main/www/package.json

@@ -19,7 +19,7 @@
     "chart.js": "^3.5.0",
     "concurrently": "^6.1.0",
     "country-list": "^2.2.0",
-    "eclipsefdn-solstice-assets": "^0.0.174",
+    "eclipsefdn-solstice-assets": "0.0.162",
     "formik": "^2.2.6",
     "less-watch-compiler": "^1.15.1",
     "material-ui-dropzone": "^3.5.0",