Fix Hook flags

[tequdev]

High Level Overview of Change

• The hsfOverride, hsfNSDelete, and hsfCollect flags in SetHooks were incorrectly used as TxFlags, so they have been fixed to be used as flags for Hook obj.

• Added MintURITokenFlagsInterface for Remit's MintURIToken.Flags

Context of Change

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactor (non-breaking change that only restructures code)
• Tests (You added tests for code that already exists, or your new feature included in this PR)
• Documentation Updates
• Release

Before / After

Test Plan