Fix Rust 1.97 imaging gate lints

crates/libremetaverse-types/src/collections.rs

@@ -1213,10 +1213,10 @@ impl TokenBucket {
         if state.content.wrapping_sub(amount) < 0 {
             return Ok(false);
         }
-        if let Some(parent) = &self.parent {
-            if !parent.remove_tokens_with_int32(amount)? {
-                return Ok(false);
-            }
+        if let Some(parent) = &self.parent
+            && !parent.remove_tokens_with_int32(amount)?
+        {
+            return Ok(false);
         }
         state.content = state.content.wrapping_sub(amount);
         Ok(true)