Make editsection icon part of first editsection link

It's sort of attached to it regardless; might as well make it clickable
(especially since the first one is going to be shorter usually regardless)

Change-Id: I40f02240c0c6e447a7042546a0392a52a0f4910c

resources/extensions/VisualEditor.article.less

@@ -20,4 +20,13 @@
 			}
 		}
 	}
+
+	.client-nojs,
+	.ve-not-available {
+		.mw-editsection a {
+			// make the icon part of the link
+			padding-left: 20px;
+			margin-left: -20px;
+		}
+	}
 }

resources/screen-common.less

@@ -379,6 +379,12 @@ a.mw-selflink {
 		display: inline-block;
 		padding: 0.5em 0 0.25em;
 		margin-right: 1em;
+
+		&:first-of-type {
+			// make the icon part of the first link
+			padding-left: 20px;
+			margin-left: -20px;
+		}
 	}
 }