Various small CMake fixes.

[clalancette]

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Basic Info

Info	Please fill out this column
Ticket(s) this addresses	Follow-up to #4357
Primary OS tested on	Ubuntu 24.04
Robotic platform tested on	N/A
Does this PR contain AI generated software?	No

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Description of contribution in a few bullet points

Just some minor fixes to various CMake problems found throughout the repository as I was reviewing things in following up for #4357.

Description of documentation updates required from your changes

None needed.

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Future work that may be required in bullet points

None needed.

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

see 4 files with indirect coverage changes

[SteveMacenski]

We need this for the optimization that it provides, this package in particular is release-necessity for good performance

[clalancette]

Yes, but I believe that nav2_common already does this, in a nicer way:

navigation2/nav2_common/cmake/nav2_package.cmake

Lines 21 to 28 in 6bf9d68

	if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
	message(STATUS "Setting build type to Release as none was specified.")
	set(CMAKE_BUILD_TYPE "Release" CACHE
	STRING "Choose the type of build." FORCE)
	# Set the possible values of build type for cmake-gui
	set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
	"Debug" "Release" "MinSizeRel" "RelWithDebInfo")
	endif()

[SteveMacenski]

I think about it a bit differently, but perhaps you're right I shouldn't make multiple gates for folks to get through and know about to compile with debug if they want to