Fix language indicator text color (#1795)

Fixes #1794

app/javascript/flavours/glitch/styles/components/index.scss

@@ -241,7 +241,6 @@
 
 .text-icon,
 .text-icon-button {
-  color: $lighter-text-color;
   font-weight: 600;
   font-size: 11px;
   line-height: 27px;
@@ -249,6 +248,7 @@
 }
 
 .text-icon-button {
+  color: $lighter-text-color;
   border: 0;
   border-radius: 4px;
   background: transparent;