Updated PopoverBase react-popper, added popper

• Updated:
- PopoverBase react-popper,

• Added:
- @popperjs/core

package.json

@@ -70,6 +70,7 @@
     "@babel/preset-react": "^7.0.0",
     "@babel/runtime": "^7.3.4",
     "@clusterws/cws": "^0.14.0",
+    "@popperjs/core": "^2.4.4",
     "array-includes": "^3.0.3",
     "autoprefixer": "^9.5.1",
     "axios": "^0.19.0",
@@ -138,7 +139,7 @@
     "react-immutable-pure-component": "^1.1.1",
     "react-intl": "^2.9.0",
     "react-motion": "^0.5.2",
-    "react-popper": "^1.3.7",
+    "react-popper": "^2.2.3",
     "react-redux": "^6.0.1",
     "react-redux-loading-bar": "^4.0.8",
     "react-router-dom": "^4.1.1",