Delete linked Error Message with E-Document

[georgepomazkov]

What & why

This change fixes the issue of linked Error Messages not being deleted from the database along with the E-Document.

Linked work

Fixes #8208

How I validated this

• I read the full diff and it contains only changes I intended.
• I built the affected app(s) locally with no new analyzer warnings.
• I ran the change in Business Central and confirmed it behaves as expected.
• I added or updated tests for the new behavior, or explained below why none are needed.

What I tested and the outcome

Manually ran the case described in the issue:

1. Manually uploaded an E-Document that generated an error.
2. Manually deleted the E-Document.
3. Verified that linked entries were also deleted from the Error Message table.

Risk & compatibility

None.

Fixes AB#636339