Fix offsets for CodeMirror in VE

Bug: T230756
Depends-On: Ia7168341bcadbc60e307b58b67afc1975a2424f9
Change-Id: Ic64b9786cb7186dba3eb2042a3238149c3bb44c6

resources/extensions/VisualEditor.CodeMirror.less

@@ -0,0 +1,15 @@
+@import '../variables.less';
+
+@media screen {
+	@media ( min-width: @desktop-small-floor ) {
+		.ve-init-mw-desktopArticleTarget .CodeMirror {
+			padding: 0 @content-padding;
+		}
+	}
+
+	@media ( max-width: @mobile-width ) {
+		.ve-init-mw-desktopArticleTarget .CodeMirror {
+			padding: 0;
+		}
+	}
+}

skin.json

@@ -89,6 +89,7 @@
 			"+ext.echo.styles.badge": "resources/extensions/Echo.less",
 			"+ext.visualEditor.core": "resources/extensions/VisualEditor.core.less",
 			"+ext.visualEditor.desktopArticleTarget.noscript": "resources/extensions/VisualEditor.article.less",
+			"+ext.CodeMirror.visualEditor.init": "resources/extensions/VisualEditor.CodeMirror.less",
 			"+ext.dismissableSiteNotice.styles": "resources/extensions/DismissableSiteNotice.less",
 			"+ext.MWOAuth.AuthorizeForm": "resources/extensions/MWOAuth.AuthorizeForm.less"
 		}