[Brave News]: Post-release Polish Tracking Issue

[LorenzoMinto]

### Polish (Important)
- [ ] https://github.com/brave/brave-browser/issues/35890
- [ ] https://github.com/brave/brave-browser/issues/36376
- [ ] https://github.com/brave/brave-browser/issues/36550
- [ ] https://github.com/brave/brave-browser/issues/35710
- [ ] https://github.com/brave/brave-browser/issues/36770
- [ ] https://github.com/brave/brave-browser/issues/38188
- [ ] Date is missing from articles in blocks
- [ ] https://github.com/brave/brave-browser/issues/36314
- [ ] https://github.com/brave/brave-browser/issues/35968
- [ ] https://github.com/brave/brave-browser/issues/35880
- [ ] https://github.com/brave/brave-browser/issues/35434
- [ ] https://github.com/brave/brave-browser/issues/35412
- [ ] https://github.com/brave/brave-browser/issues/35676

### Polish (Nice-to-haves)
- [ ] https://github.com/brave/brave-browser/issues/35761
- [ ] https://github.com/brave/brave-browser/issues/34497