fixed issue GUI and Datacenter tab related

sge-frontend/src/redux/reducers/emissionScope/index.js

@@ -0,0 +1,33 @@
+const initialState = {
+  emissionScopes: [],
+  loading: false,
+  error: null,
+};
+
+const emissionScopeReducer = (state = initialState, action) => {
+  switch (action.type) {
+    case "GET_EMISSION_SCOPES_LOADING":
+      return {
+        ...state,
+        loading: true,
+        error: null,
+      };
+    case "GET_EMISSION_SCOPES_SUCCESS":
+      return {
+        ...state,
+        loading: false,
+        emissionScopes: action.payload,
+        error: null,
+      };
+    case "GET_EMISSION_SCOPES_ERROR":
+      return {
+        ...state,
+        loading: false,
+        error: action.payload.error,
+      };
+    default:
+      return state;
+  }
+};
+
+export default emissionScopeReducer;