[Icon request] Various
Hi, again.
I hope you do not mind adding many items to the same issue.
These ones are missing (I could not find a Sevi icon for it)
App Name: Cronopete: restore backup
Icon Name: cronopete_restore
Description: Allows to restore files from a Cronopete backup
Webpage (optional):
Original Icon:

App Name: Setup backup
Icon Name: cronopete_preferences
Description: Allows to set the preferences for the Cronopete Backup system
Webpage (optional):
Original Icon:

App Name: anacronopete
Icon Name: anacronopete
Description: Backup Utility
Webpage (optional):
Original Icon:

App Name: Bluemail
Icon Name: bluemail
Description: Bluemail email client
Webpage (optional):
Original Icon:

App Name: Applications (bauh)
Icon Name: bauh
Description: Install and remove applications (AppImage, Arch, Flatpak, Snap, Web)
Webpage (optional):
Original Icon:

App Name: Double Commander
Icon Name: doublecmd
Description: Double Commander is a cross platform open source file manager with two panels side by side.
Webpage (optional):
Original Icon:

App Name: Fluffychat
Icon Name: fluffychat
Description: Open. Nonprofit. Cute. Easy to use (matrix) messenger. Secure and decentralized.
Webpage (optional):
Original Icon:

App Name: Frog
Icon Name: frog
Description: Extract text from any image, video or web page
Webpage (optional):
Original Icon:

App Name: ghostwriter
Icon Name: ghostwriter (Original icon is square already, but bigger than the other ones in Sevi)
Description: Distraction-free text editor for Markdown
Webpage (optional):
Original Icon:

App Name: GOverlay
Icon Name: goverlay
Description: Graphical UI to help manage Vulkan / OpenGL overlays
Webpage (optional):
Original Icon:

App Name: Kooha
Icon Name: kooha
Description: Elegantly record your screen
Webpage (optional):
Original Icon:

App Name: Master PDF Editor
Icon Name: masterpdfeditor4
Description: Edit your PDF and XPS files
Webpage (optional):
Original Icon:

App Name: Metadata Cleaner
Icon Name: fr.romainvigier.MetadataCleaner
Description: Clean metadata from your files
Webpage (optional):
Original Icon:

App Name: ocenaudio
Icon Name: ocenaudio
Description: Edit audio files
Webpage (optional):
Original Icon:

App Name: Olive
Icon Name: org.olivevideoeditor.Olive
Description: Professional open-source non-linear video editor
Webpage (optional):
Original Icon:

App Name: Pinta Image Editor
Icon Name: pinta
Description: Easily create and edit images
Webpage (optional):
Original Icon:

App Name: PlayOnLinux 4
Icon Name: playonlinux4
Description: Front-end application for the wine
Webpage (optional):
Original Icon:

App Name: SchildiChat
Icon Name: schildichat-desktop
Description: A Matrix Client based on Element with a more traditional instant messaging experience
Webpage (optional):
Original Icon:

App Name: Shotcut
Icon Name: org.shotcut.Shotcut
Description: Shotcut is a free, open source, cross-platform video editor.
Webpage (optional):
Original Icon:

App Name: SongRec
Icon Name: com.github.marinm.songrec
Description: An open-source Shazam client for Linux, written in Rust
Webpage (optional):
Original Icon:

App Name: USBImager
Icon Name: usbimager
Description: Write image files to USB devices
Webpage (optional):
Original Icon:

App Name: Virtual Network Editor
Icon Name: vmware-netcfg
Description: Manage virtual networks
Webpage (optional):
Original Icon:

These do not use the app icon but the device one for some reason I do not know
App Name: Manage Printing
Icon Name: cups
Description: CUPS Web Interface
Webpage (optional):
Original Icon:

App Name: Print Settings
Icon Name: printer
Description: Configure printers
Webpage (optional):
Original Icon:

These ones probably just need a symlink (icon already in Sevi)
App Name: WebCord
Icon Name: webcord
Description: A Discord and Fosscord client made with the Electron API
Webpage (optional):
Original Icon:

App Name: GtkHash
Icon Name: org.gtkhash.gtkhash
Description: Calculate message digests or checksums
Webpage (optional):
Original Icon:

These do not look bad with Sevi, but probably will look better if they are square too
App Name: Waydroid
Icon Name: waydroid
Description: Run Androidx86 on a container
Webpage (optional):
Original Icon:

App Name: Wire
Icon Name: wire-desktop
Description: The most secure collaboration platform.
Webpage (optional):
Original Icon:

App Name: Session
Icon Name: session-desktop
Description: Private messaging from your desktop
Webpage (optional):
Original Icon:

Thank you for your effort. I will look them all at weekend.
Sorry @lfom, it will take some time. I'm very busy at work these days.
@TaylanTatli Don't worry, take your time. Thanks again for this nice theme!