fix: corrected thorvg canvas sync (#222)

Ensure `thorvg_canvas_sync` is called before buffer changes.

Additionally, the function should not disrupt subsequent code execution, regardless of its return value.

Call the function without using the Rust try operator (`?`).

Issue: #206

dotlottie-rs/src/lottie_renderer/mod.rs

@@ -194,14 +194,14 @@ impl LottieRenderer {
             ));
         }
 
+        let _ = self.thorvg_canvas.sync();
+
         self.width = width;
         self.height = height;
 
         self.buffer
             .resize((self.width * self.height * 4) as usize, 0);
 
-        self.thorvg_canvas.sync()?;
-
         self.thorvg_canvas
             .set_target(
                 &mut self.buffer,