Fix suggest filtering for non-installed packages (#12992)

[ousamabenyounes]

Fixes #12992.

Summary

• fail with an InvalidArgumentException when package filters cannot be used
• preserve input casing in errors while matching installed package names case-insensitively
• report every missing filter and distinguish locked dev packages excluded by --no-dev

Test verification (RED → GREEN)

Previous PR HEAD with the final regression tests:

FAILURES!
Tests: 37, Assertions: 69, Failures: 5.

Patched result:

OK (37 tests, 74 assertions)
Changed-line coverage: 26/26 = 100%

Full local CI replay is iso-baseline: the same environment-specific 1 error, 5 failures, and 8 skips, with no new failure signature.

[ousamabenyounes]

Addressed the requested filter-validation refinements in 7db53100e: display casing is preserved while matching case-insensitively, all missing filters are reported together, and locked dev packages filtered by --no-dev receive an accurate hint.

Validation: 5 focused cases RED on the previous PR HEAD, then 37 tests / 74 assertions GREEN. run-ci.sh final is iso-baseline, with 26/26 changed executable lines covered.