add proper comment icon and add it to icons.css

core/css/icons.css

@@ -57,6 +57,10 @@
 	background-image: url('../img/actions/close.svg');
 }
 
+.icon-comment {
+	background-image: url('../img/actions/comment.svg');
+}
+
 .icon-confirm {
 	background-image: url('../img/actions/confirm.svg');
 }

core/img/actions/comment.svg

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="16" width="16" version="1.0" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <path style="color:#000000;block-progression:tb;text-transform:none;text-indent:0" d="m2.3496 1.002c-0.1975 0.0382-0.3531 0.2333-0.3496 0.4375v13.122c0 0.23 0.2061 0.438 0.4316 0.438h11.138c0.226 0 0.432-0.208 0.432-0.438v-10.142c-0.004-0.0669-0.023-0.133-0.055-0.1915l-3.312-3.1992c-0.043-0.0164-0.089-0.0255-0.135-0.0273h-8.0684c-0.0268-0.00265-0.0552-0.00265-0.082 0zm1.6504 1.998h6v1h-6v-1zm0 3h5v1h-5v-1zm0 3h8v1h-8v-1zm0 3h4v1h-4v-1z"/>
+<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="16" width="16" version="1.1" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
+ <path d="m8 1.5c-4.4183 0-8 2.4624-8 5.5s3.5817 5.5 8 5.5c0.24963 0 0.49058-0.01587 0.73438-0.03125l4.2656 3.531v-4.703c1.829-1.008 3-2.5599 3-4.297 0-3.0376-3.582-5.5-8-5.5z"/>
 </svg>