PlexSidebar.tsx carried a literal 0x00 byte in the duration-filter
FilterChipGroup's off-bucket sentinel (`... ? "" : "\0"`), where a normal space
was intended. Functionally inert (both the NUL and a space match no bucket
option, so a set-but-off-bucket duration selects nothing), but a NUL in source
is corruption — replaced with an ASCII space. No NUL bytes remain in src.