No graphical frame to calculate image size

### OS/platform

macOS

### Emacs version and provenance

GNU Emacs 29.1 (build 1, x86_64-apple-darwin24.0.0, Carbon Version 170 AppKit 2566) of 2024-10-04

### Emacs command

ement-list-rooms

### Emacs frame type

GUI

### Ement package version and provenance

0.15.1 (gnu)

### Actions taken

Invoking the command `ement-list-rooms` results in the following error `No graphical frame to calculate image size`

### Observed results

```
taxy-magit-section-format-items: No graphical frame to calculate image size
Ement: Response arrived after 22.41 seconds. Reading 1.3k JSON response...
Ement: Reading JSON took 0.00 seconds
Ement: Reading events...
Ement: Sync request sent. Waiting for response...
Error running timer ‘plz--respond’: (error "taxy-magit-section-format-items: No graphical frame to calculate image size")
Warning: setting attribute ‘:foreground’ of face ‘info-index-match’: nil value is invalid, use ‘unspecified’ instead.
```

### Expected results

See the list of rooms joined by the user

### Backtrace

```elisp
Debugger entered--Lisp error: (void-variable ement-sessions)
ement-list-rooms()
funcall-interactively(ement-list-rooms)
call-interactively(ement-list-rooms record nil)
command-execute(ement-list-rooms record)
execute-extended-command(nil "ement-list-rooms" "ement-list")
funcall-interactively(execute-extended-command nil "ement-list-rooms" "ement-list")
call-interactively(execute-extended-command nil nil)
command-execute(execute-extended-command)
```

### Etc.

_No response_