add new property to people picker for source url

Author: joelfmrodrigues

src/controls/peoplepicker/IPeoplePicker.ts

@@ -14,6 +14,10 @@ export interface IPeoplePickerProps {
    * Text of the Control
   */
   titleText: string;
+  /**
+   * Web Absolute Url of source site
+   */
+  webAbsoluteUrl?: string;
   /**
    * Whether the control is enabled or not
    */

src/controls/peoplepicker/PeoplePickerComponent.tsx

@@ -143,6 +143,7 @@ export class PeoplePicker extends React.Component<IPeoplePickerProps, IPeoplePic
       stringVal = "/_api/web/siteusers";
     }
 
+    const webAbsoluteUrl = this.props.webAbsoluteUrl || this.props.context.pageContext.web.absoluteUrl;
     // Create the rest API
     const restApi = `${this.props.context.pageContext.web.absoluteUrl}${stringVal}`;