fix richtext <i> styles for donations pages

donate/static/donate/assets/css/style.css

@@ -1193,8 +1193,8 @@ img.full-width {
 }
 
 
-/* OVERRIDE ICON STYLES FOR RICHTEXT ITALICS <i> */
-.richtext i {
+/* OVERRIDE RICHTEXT ITALICS STYLE <i> */
+.richtext i:not([class^="icon-"])) {
   font-family: "Roboto Condensed", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !important;
   font-style: italic;
   font-weight: inherit;