Make consistent with file tree

services/web/app/views/project/editor/review-panel.pug

@@ -97,7 +97,7 @@
 				span.rp-overview-file-header-collapse(
 					ng-class="{ 'rp-overview-file-header-collapse-on': reviewPanel.overview.docsCollapsedState[doc.doc.id] }"
 				)
-					i.fa.fa-angle-right
+					i.fa.fa-angle-down
 				| {{ doc.path }}
 				span.rp-overview-file-num-entries(
 					ng-show="reviewPanel.overview.docsCollapsedState[doc.doc.id]"

services/web/public/stylesheets/app/editor/review-panel.less

@@ -584,7 +584,7 @@
 	}
 	
 	.rp-overview-file-header-collapse-on {
-		transform: rotateZ(90deg);
+		transform: rotateZ(-90deg);
 	}
 
 	.rp-overview-file-entries {