feat: improve LibrarySampleGrid mobile display

Commit notes

- Hide waveform column on mobile for cleaner layout - Show sample metadata as badges underneath the name on mobile (duration, BPM, key, category, date) - Keep share and similarity columns visible on mobile - Keep edit column hidden on mobile - Adjust row alignment to items-start on mobile for badge layout

Co-authored-by: armin.naimi <[email redacted]>