Fix lint warnings

src/framework/commands/messages.rs

@@ -82,7 +82,7 @@ where
 
         for (index, component) in self.components {
             if index != current_index {
-                if current_row.len() > 0 {
+                if !current_row.is_empty() {
                     rows.push(current_row.build());
                     current_row = ActionRow::new(&[]);
                 }
@@ -101,7 +101,7 @@ where
             current_row.add(custom_id.clone(), component.clone());
         }
 
-        if current_row.len() > 0 {
+        if !current_row.is_empty() {
             rows.push(current_row.build());
         }
 
@@ -161,6 +161,7 @@ where
         }
     }
 
+    #[allow(dead_code)]
     pub fn content(mut self, content: impl ToString) -> Self {
         self.content = Some(content.to_string());
 
@@ -194,7 +195,7 @@ where
 
         for (index, component) in self.components {
             if index != current_index {
-                if current_row.len() > 0 {
+                if !current_row.is_empty() {
                     rows.push(current_row.build());
                     current_row = ActionRow::new(&[]);
                 }
@@ -213,7 +214,7 @@ where
             current_row.add(custom_id.clone(), component.clone());
         }
 
-        if current_row.len() > 0 {
+        if !current_row.is_empty() {
             rows.push(current_row.build());
         }