internal/rosa/azalea: pass through source ident

For source handle special case.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/state.go

@@ -789,6 +789,13 @@ func (ctx *evalContext) pf(
 	case deferredGit:
 		source = ctx.t.newTagRemote(p.url, p.tag, p.checksum)
 
+	case azalea.Ident:
+		var _meta *Metadata
+		_meta, source = ctx.t.Load(H(string(p)))
+		if meta.Version == "" {
+			meta.Version = _meta.Version
+		}
+
 	default:
 		panic(azalea.TypeError{
 			Concrete: reflect.TypeOf(sourceA),