[Feature] Show the project name in the recent sessions list

### Feature summary

Show the project name in the recent sessions list

### What problem are you trying to solve?

The recent sessions list is useful, however I do mis the option to quickly see which project it is linked to.

### Proposed solution

Show the project it belongs to in small text next or below the session name.
Maybe even add more options like branches, but for me project would already help.

### Workflow impact

It helps to user to faster get the an overview of ALL the recent sessions but still have a link to the project without having it hover it all.

### Installation context

_No response_

### Additional context

_No response_

Start by locating the recent sessions list in the desktop app and trace how each session's project association is available to the UI. Show the project name beside or below the session name, then verify that recent sessions still link to their projects and that the list remains readable.

索引モデルが issue の本文から書いたものです。