fix(web): limit project monograms and retain icon save errors#22830

fix(web): always unlock project icon saving after failure

Merge branch 'main' into fix/issue-22793

fix(web): keep project icon saves compatible with React Compiler

test(web): register monogram browser fixture in existing fixture path

test(web): add reproducible monogram picker evidence fixtures

fix(web): report picker save failures inline once

fix(web): limit project monograms and retain failed icon saves

test(web): add issue 22793 monogram input tests