feat(processing_time_visualizer): enable to wait until topic published

[YoshiRi]

Description

Within current implementation, the desired topic should be published before the visualizer activation. Otherwise we get following error, or can not list full topics.

[INFO 1723732920.532605343] [processing_time_visualizerde495974_29bb_4bbc_803f_a22aae0053b8]: No ProcessingTimeTree topic found (subscribe_processing_time_tree() at /home/yoshiri/autoware/build/autoware_debug_tools/autoware_debug_tools/processing_time_visualizer/node.py:83)
[INFO 1723732920.532896897] [processing_time_visualizerde495974_29bb_4bbc_803f_a22aae0053b8]: Exiting... (subscribe_processing_time_tree() at /home/yoshiri/autoware/build/autoware_debug_tools/autoware_debug_tools/processing_time_visualizer/node.py:84)
[ros2run]: Process exited with failure 1

This PR enables visualizer to wait X seconds until the objective topic will published.

sample usage:

# wait for 10sec
 ros2 run autoware_debug_tools processing_time_visualizer -w 10

Related links

Tests performed

Notes for reviewers

Interface changes

Effects on system behavior

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[yhisaki]

LGTM!