Screenshot Notification Improvement

### Feature Description

1. When Screenshot Notification Is Shown More Action To It Like Delete, Share & Ability Drag & Drop That Image From Notification.
2. Instead Of Showing Small Image On Side In The Notification It Should Show Big Image At Center Similar To The Reference Image.

### Use Case

Improved Screenshot Notification.

### Compositor(s)

- [x] All compositors
- [x] Niri
- [ ] Hyprland
- [ ] MangoWC (dwl)
- [ ] Sway
- [ ] Other (specify below)

### Proposed Solution

### Alternatives/Existing Solutions

_No response_