restore the pre-4.0 pm icon

mastodon/mastodon4.user.css

@@ -8,6 +8,9 @@
 ==/UserStyle== */
 
 @-moz-document domain("chaos.social") {
+    /* mastodon 4 ui tweaks that go hard maybe */
+    /* optional features at the bottom */
+    
     /* compact, space-optimized timeline look */
     .status__prepend {
         padding-top: 8px;
@@ -48,7 +51,12 @@
         padding: 8px 8px 0 8px;
     }
     
-    /* it's the toot button and it never will change */
+    /* change the pm symbol back to what it should be */
+    .fa-at::before {
+        content: "";
+    }
+    
+    /* it's the toot button and that will never ever change */
     .compose-form__publish-button-wrapper > button::before {
         content: "Toot";
         font-size: 15px;