Center new work item on user

mobile/src/Activity/Activity.js

@@ -30,6 +30,7 @@ import { api } from "../API"
 import { formatLatLng } from "../util"
 import moment from "moment"
 import "url-search-params-polyfill"
+import { config } from "../config"
 
 const styles = StyleSheet.create({
   container: {
@@ -91,6 +92,7 @@ export class Activity extends React.Component {
       messageModal: null,
       progressModal: null,
       uploadPercent: 0,
+      region: config.initialRegion,
     }
 
     const { search } = this.props.location