Reproduction steps:
1. Create a new project
2. Install Entities package in Package Manager
3. Window > Entities > Journaling
4. Press Search Journaling button which is next to Toggle details view button in the Journaling window
5. Observe Search Journaling window separator
6. Window > Entities > Archetypes
7. Observe Archetypes window separator

Actual result: Section separators appear in a random place in both Search Journaling and Archetypes windows
Expected result: Section separators appear in between sections

Reproducible with: 1.4.3 (6000.0.64f1, 6000.3.2f1), 6.4.0 (6000.4.0b2), 6.5.0 (6000.5.0a3)

Reproduced on: Ubuntu 24.04, macOS Tahoe 26.1 (M4)

Notes:

• Issue in Search Journaling window only reproduces for the first time
•  Issue is not reproducible on other Editor windows