fix expected prop types in task history list and image marker layer

Author: CollinBeczak

src/components/EnhancedMap/ImageMarkerLayer/ImageMarkerLayer.jsx

@@ -66,7 +66,7 @@ ImageMarkerLayer.propTypes = {
       key: PropTypes.string.isRequired,
       url: PropTypes.string.isRequired,
     }),
-  ).isRequired,
+  ),
   imageClicked: PropTypes.func.isRequired,
   markerColor: PropTypes.string,
 };

src/components/TaskHistoryList/TaskHistoryList.jsx

@@ -460,7 +460,7 @@ const CommentEntry = ({ entry, props, index }) => {
 };
 
 const commentEntry = (entry, props, index) => {
-  return <CommentEntry entry={entry} props={props} index={index} />;
+  return <CommentEntry key={index} entry={entry} props={props} index={index} />;
 };
 
 const statusEntry = (entry, props) => {
@@ -512,7 +512,7 @@ TaskHistoryList.propTypes = {
   /** The history to display */
   taskHistory: PropTypes.arrayOf(
     PropTypes.shape({
-      actionType: PropTypes.integer,
+      actionType: PropTypes.number,
       timestamp: PropTypes.string,
       comment: PropTypes.string,
     }),