fix: BED-5080 - move improper int4 casts to int8

[zinic]

Description

This small change updates a few improper casts to int4 in certain SQL formatting statements.

Motivation and Context

While this won't blow up in any local test, customers that have large environments will eventually exhaust ID space for int32.

How Has This Been Tested?

Validated with schema. Types need to match from the SQL schema in schema_up.sql and in all statements addressing either the node or edge tablespace.

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• I have met the contributing prerequisites
  • Assigned myself to this PR
  • Added the appropriate labels
  • Associated an issue: Issues and Pull Requests README #672
  • Read the Contributing guide: https://github.com/SpecterOps/BloodHound/wiki/Contributing
• I have ensured that related documentation is up-to-date
  • Open API docs
  • Code comments (GoDocs / JSDocs)
• I have followed proper test practices
  • Added/updated tests to cover my changes
  • All new and existing tests passed

[superlinkx]

Approved, pull