Tooltips, TokenComponent tooltip, token explorer (#3947)

- **fix(app2): handle no representations on token**
- **feat(app2): tokens explorer page**
- **feat(app2): show multiple tokens per tokenexplorer row**
- **feat(app2): add tooltips**
- **feat(app2): improve token tooltip details**
- **feat(app2): better token tooltips**
- **fix(app2): tokens sidebar icon**
- **fix(app2): improve token tooltips**
- **fix(app2): tooltip positioning**
- **fix(app2): access tooltips with the mouse**
- **fix(app2): tooltip fixes**
- **fix(app2): tooltip timeouts**