Update downstream callsites to use saveGltfCharacter (#769)

Summary:

Update example applications to use `saveGltfCharacter()`.

Differential Revision: D86017756

Author: yutingye

momentum/examples/animate_shapes/animate_shapes.cpp

@@ -87,7 +87,7 @@ int main(int argc, char* argv[]) {
     }
 
     // save the result
-    saveCharacter(
+    saveGltfCharacter(
         options->outFile,
         character,
         20.f,

momentum/examples/convert_model/convert_model.cpp

@@ -221,15 +221,15 @@ int main(int argc, char** argv) {
     } else if (oextension == ".glb" || oextension == ".gltf") {
       MT_LOGI("Saving gltf/glb file...");
       if (hasMotion) {
-        saveCharacter(
+        saveGltfCharacter(
             options->output_model_file,
             character,
             fps,
             {character.parameterTransform.name, poses},
             {character.skeleton.getJointNames(), offsets},
             markerSequence.frames);
       } else {
-        saveCharacter(options->output_model_file, character);
+        saveGltfCharacter(options->output_model_file, character);
       }
     }
     if (!options->output_locator_local.empty()) {