add var of svg

src/client/styles/scss/theme/_apply-colors.scss

@@ -117,6 +117,13 @@ $link-hover-color: $color-link-hover;
   }
 }
 
+/*
+ * Icon
+ */
+.editor-container .navbar-editor svg {
+  fill: $color-global;
+}
+
 /*
  * code color of inline-code
  */