Fix negatives in journal entries totals

Description

🟢 Bug fix (change which fixes an issue)
⚪ New feature (change which adds functionality)
⚪ Breaking change (fix or feature that would cause existing functionality to not work as expected)

[x] My code follows Naming Guidelines (DocType, Field and Variable naming)
[x] No Form changes / My code follows the Form Design Guidelines
[x] My code follows the Coding Standards of this project
[x] My code follows the Code Security Guidelines of this project
[x] I have performed a self-review of my own code
[x] I have commented my code, particularly in hard-to-understand areas / No comments necessary
[ ] I have made corresponding additions/changes to the documentation
[x] All business logic and validations are on the server-side / No business logic or validation changes
[x] No patches are necessary / Migration Patches have been added to the correct subdirectory of /patches and patches.txt have been updated

N/A