fixed filename conflict

Former-commit-id: 9651354b46ed237182b2b0cfec77b6b503d7201e

extension/ui/editor/editor.html

@@ -34,7 +34,7 @@
 				src="/extension/ui/resources/button_highlighter_visible.png">
 			<img type="button" class="remove-highlight-button remove-highlight-disabled"
 				src="/extension/ui/resources/button_highlighter_delete.png">
-			<img type="button" class="edit-page-button edit-disabled" src="/extension/ui/resources/button_edit.png">
+			<img type="button" class="edit-page-button edit-disabled" src="/extension/ui/resources/button_note_edit.png">
 			<div class="separator"></div>
 		</div>
 		<div class="buttons">