Fix PlanarJointModel::satisfiesPositionBounds

[rcywongaa]

Description

Backport from moveit/moveit2#1353

Checklist

• Required by CI: Code is auto formatted using clang-format
• Extend the tutorials / documentation reference
• Document API changes relevant to the user in the MIGRATION.md notes
• Create tests, which fail without this PR reference
• Include a screenshot if changing a GUI
• While waiting for someone to review your request, please help review another open pull request to support the maintainers

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[codecov]

Codecov Report

Merging #3160 (3dad65d) into master (e364749) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3160      +/-   ##
==========================================
- Coverage   61.61%   61.60%   -0.01%     
==========================================
  Files         376      376              
  Lines       33318    33318              
==========================================
- Hits        20527    20521       -6     
- Misses      12791    12797       +6     

Impacted Files	Coverage Δ
moveit_core/robot_model/src/planar_joint_model.cpp	77.12% <100.00%> (ø)
.../ompl_interface/src/detail/constrained_sampler.cpp	43.91% <0.00%> (-17.07%)	⬇️
...ipulation/pick_place/src/manipulation_pipeline.cpp	71.91% <0.00%> (-1.65%)	⬇️
...raint_samplers/src/default_constraint_samplers.cpp	80.06% <0.00%> (+0.29%)	⬆️
...dl_kinematics_plugin/src/kdl_kinematics_plugin.cpp	78.28% <0.00%> (+0.38%)	⬆️
...on/pick_place/src/approach_and_translate_stage.cpp	75.76% <0.00%> (+0.61%)	⬆️

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