Fix urg_sim CPU usage

[at-wat]

No description provided.

[sqbot]

[179] PASSED on noetic

All tests passed

build/test_results/urg_stamped/gtest-test_decode.xml: 4 tests
build/test_results/urg_stamped/gtest-test_device_time_origin.xml: 6 tests
build/test_results/urg_stamped/gtest-test_first_order_filter.xml: 6 tests
build/test_results/urg_stamped/gtest-test_param.xml: 12 tests
build/test_results/urg_stamped/gtest-test_timestamp_moving_average.xml: 6 tests
build/test_results/urg_stamped/gtest-test_timestamp_outlier_remover.xml: 4 tests
build/test_results/urg_stamped/gtest-test_walltime.xml: 4 tests
build/test_results/urg_stamped/roslint-urg_stamped.xml: 1 tests
build/test_results/urg_stamped/rostest-test_tests_e2e.xml: 1 tests
build/test_results/urg_stamped/rosunit-e2e.xml: 6 tests
Summary: 50 tests, 0 errors, 0 failures, 0 skipped

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 80.15%. Comparing base (6f2f279) to head (15d8fcd).

Files	Patch %	Lines
src/urg_sim/urg_sim.cpp	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #150      +/-   ##
==========================================
- Coverage   80.24%   80.15%   -0.10%     
==========================================
  Files          31       31              
  Lines        1301     1305       +4     
==========================================
+ Hits         1044     1046       +2     
- Misses        257      259       +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.