Fix lattice backward 180 deg issue (backport #5141)

[mergify]

Basic Info

Info	Please fill out this column
Ticket(s) this addresses	#5133
Primary OS tested on	Ubuntu
Robotic platform tested on	gazebo simulation
Does this PR contain AI generated software?	No

---

Description of contribution in a few bullet points

This is a fix of an issue with backward flag in lattice node, which sometimes lead to 180 degree plan error. See details in the issue

Description of documentation updates required from your changes

• No documentation updates required as it is a bug-fix

Description of how this change was tested

• I run existing unit tests for smac planner

---

Future work that may be required in bullet points

For Maintainers:

• Check that any new parameters added are updated in docs.nav2.org
• Check that any significant change is added to the migration guide
• Check that any new features OR changes to existing behaviors are reflected in the tuning guide
• Check that any new functions have Doxygen added
• Check that any new features have test coverage
• Check that any new plugins is added to the plugins page
• If BT Node, Additionally: add to BT's XML index of nodes for groot, BT package's readme table, and BT library lists

---

This is an automatic backport of pull request #5141 done by [Mergify](https://mergify.com).

[mergify]

@mergify[bot], all pull requests must be targeted towards the main development branch.
Once merged into main, it is possible to backport to @jazzy, but it must be in main
to have these changes reflected into new distributions.