changed post-increments in loops to preincrements

[senceryazici]

Description

Post incremented variables in loops are replaced with pre incremented variables, as suggested by #870.

[tylerjw]

Thank you for this change. CI is failing for a known issue that should be fixed soon.

[codecov]

Codecov Report

Merging #888 (9b77919) into main (0b908a1) will not change coverage.
The diff coverage is 59.71%.

@@           Coverage Diff           @@
##             main     #888   +/-   ##
=======================================
  Coverage   57.91%   57.91%           
=======================================
  Files         310      310           
  Lines       26072    26072           
=======================================
  Hits        15096    15096           
  Misses      10976    10976           

Impacted Files	Coverage Δ
...on_distance_field/collision_distance_field_types.h	59.41% <0.00%> (ø)
moveit_core/distance_field/src/distance_field.cpp	26.01% <0.00%> (ø)
...cessing/src/time_optimal_trajectory_generation.cpp	77.50% <0.00%> (ø)
...mpl/ompl_interface/src/detail/ompl_constraints.cpp	0.00% <0.00%> (ø)
...ution_manager/src/trajectory_execution_manager.cpp	6.77% <0.00%> (ø)
...it_ros/robot_interaction/src/robot_interaction.cpp	0.00% <0.00%> (ø)
...ance_field/src/collision_common_distance_field.cpp	25.97% <14.29%> (ø)
...tance_field/src/collision_distance_field_types.cpp	35.84% <58.83%> (ø)
...istance_field/src/collision_env_distance_field.cpp	54.06% <60.53%> (ø)
...it/collision_detection/test_collision_common_pr2.h	98.18% <100.00%> (ø)
... and 8 more

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