fix: mentions parser escapes, emoji parser escapes

crates/app/src/main.rs

@@ -25,9 +25,9 @@ pub(crate) type State = Arc<RwLock<(DataManager, Tera, Client)>>;
 
 fn render_markdown(value: &Value, _: &HashMap<String, Value>) -> tera::Result<Value> {
     Ok(
-        CustomEmoji::replace(&tetratto_shared::markdown::render_markdown(
+        tetratto_shared::markdown::render_markdown(&CustomEmoji::replace(value.as_str().unwrap()))
-            value.as_str().unwrap(),
+            .replace("\\@", "@")
-        ))
+            .replace("%5C@", "@")
             .into(),
     )
 }

crates/core/src/model/auth.rs

@@ -309,6 +309,7 @@ impl User {
         for char in input.chars() {
             if (char == '\\') && !escape {
                 escape = true;
+                continue;
             }
 
             if (char == '@') && !escape {

crates/core/src/model/uploads.rs

@@ -111,15 +111,10 @@ impl CustomEmoji {
 
         let mut chars = input.chars();
         while let Some(char) = chars.next() {
-            if escape == true {
-                buffer.push(char);
-                continue;
-            }
-
             if char == '\\' && escape == false {
                 escape = true;
                 continue;
-            } else if char == ':' {
+            } else if char == ':' && escape == false {
                 let mut community_id: String = String::new();
                 let mut accepting_community_id_chars: bool = true;
                 let mut emoji_name: String = String::new();
@@ -164,6 +159,8 @@ impl CustomEmoji {
             } else if in_emoji {
                 buffer.push(char);
             }
+
+            escape = false;
         }
 
         out