fix: make forward slash escape mentions parser

crates/core/src/model/auth.rs

@@ -332,7 +332,7 @@ impl User {
 
         // parse
         for char in input.chars() {
-            if (char == '\\') && !escape {
+            if ((char == '\\') | (char == '/')) && !escape {
                 escape = true;
                 continue;
             }