[1093][l1bgen_oci] fix gring when lat/lon have bad values

Squashed commit of the following:

commit 433db611
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Tue Jan 27 12:11:42 2026 -0500

    [#1093] Moved a check into tryIncludeScan

commit 5998d482
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Mon Jan 26 17:39:42 2026 -0500

    [#1093] Started using front and back on validPortionOfScan

commit 8b38d806
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Mon Jan 26 16:47:46 2026 -0500

    [#1093] Started using validPortionOfScan in non-flagged updateExtremes

commit 814d93da
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Mon Jan 26 16:45:23 2026 -0500

    [#1093] Moved assignment of validPortionOfScan to tryIncludeScan

commit 2b3ff7c5
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Mon Jan 26 16:35:52 2026 -0500

    [#1093] Introduced lambda nonFillCompare

commit ac3589f6
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Mon Jan 26 11:22:28 2026 -0500

    [#1093] Removed a parameter to findValidScanBounds

commit 35b90baa
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Mon Jan 26 11:18:08 2026 -0500

    [#1093] Updated a comment

commit 2542d428
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Fri Jan 23 17:37:08 2026 -0500

    [#1093] Called to_string in direction test

commit b88e5bbb
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Fri Jan 23 17:09:09 2026 -0500

    [#1093] Added BAD_FLT tests

commit 0e5495e3
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Fri Jan 23 15:04:32 2026 -0500

    [#1093] Moved the assignment of curr scan bounds

commit f7259c51
Author: Jakob Lindo <jakob.c.lindo@nasa.gov>
Date:   Fri Jan 23 14:55:06 2026 -0500

    [#1093] Moved validPortionOfScan to class level