Fix various issues

[Oberacda]

No description provided.

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

Attention: Patch coverage is 24.24242% with 25 lines in your changes missing coverage. Please review.

Project coverage is 49.40%. Comparing base (4531201) to head (32b1295).

Files with missing lines	Patch %	Lines
ros_bt_py/ros_bt_py/tree_manager.py	17.39%	19 Missing ⚠️
ros_bt_py/ros_bt_py/ros_nodes/action.py	42.85%	4 Missing ⚠️
ros_bt_py/ros_bt_py/tree_node.py	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #107      +/-   ##
==========================================
+ Coverage   49.18%   49.40%   +0.21%     
==========================================
  Files          58       58              
  Lines        7703     7681      -22     
  Branches     1676     1658      -18     
==========================================
+ Hits         3789     3795       +6     
+ Misses       3850     3822      -28     
  Partials       64       64              

Flag	Coverage Δ
	49.40% <24.24%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

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

[github-actions]

Test Results

  3 files  ±0    3 suites  ±0   41s ⏱️ ±0s
181 tests ±0  181 ✅ ±0  0 💤 ±0  0 ❌ ±0 
543 runs  ±0  543 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 32b1295. ± Comparison against base commit 4531201.