Add alias fields and alias-based node resolution in trust API

Node lookup now accepts an alias slug in addition to a GID, resolving
it against the organization's alias table before dispatching. Adds
alias fields to Document, AuditReport, and TrustCenterFile.

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

pkg/server/api/trust/v1/graphql/base.graphql

@@ -24,7 +24,7 @@ interface Node {
 
 type Query {
   viewer: Identity
-  node(id: ID!): Node
+  node(id: String!): Node
   currentTrustCenter: TrustCenter
   oidcProviders: [OIDCProviderInfo!]!
     @goField(forceResolver: true)