Add people signature filtering

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/server/api/console/v1/schema.graphql

@@ -4182,6 +4182,7 @@ type DocumentVersion implements Node {
     last: Int
     before: CursorKey
     orderBy: DocumentVersionSignatureOrder
+    filter: DocumentVersionSignatureFilter
   ): DocumentVersionSignatureConnection! @goField(forceResolver: true)
 
   publishedAt: Datetime
@@ -4204,6 +4205,10 @@ input DocumentVersionSignatureOrder {
   direction: OrderDirection!
 }
 
+input DocumentVersionSignatureFilter {
+  states: [DocumentVersionSignatureState!]
+}
+
 enum DocumentVersionSignatureState
   @goModel(
     model: "github.com/getprobo/probo/pkg/coredata.DocumentVersionSignatureState"