Exclude approved-without-signature documents from employee approvals

Filter out approval decisions where state is APPROVED but
electronic_signature_id is NULL, removing historical approved
entries that lack an electronic signature from the employee
approvals page.

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/coredata/document_filter.go

@@ -173,6 +173,7 @@ func (f *DocumentFilter) SQLFragment() string {
 					INNER JOIN iam_membership_profiles p ON dvad.approver_id = p.id
 					WHERE dv.document_id = documents.id
 						AND p.identity_id = @employee_identity_id::text
+						AND NOT (dvad.state = 'APPROVED' AND dvad.electronic_signature_id IS NULL)
 				)
 			)
 		)

pkg/coredata/document_version_filter.go

@@ -95,6 +95,7 @@ func (f *DocumentVersionFilter) SQLFragment() string {
 				INNER JOIN iam_membership_profiles p ON dvad.approver_id = p.id
 				WHERE dvaq.version_id = document_versions.id
 					AND p.identity_id = @employee_identity_id::text
+					AND NOT (dvad.state = 'APPROVED' AND dvad.electronic_signature_id IS NULL)
 			)
 		)
 	)