stacks: emit component address in find stack configuration component response

internal/rpcapi/stacks.go

@@ -159,7 +159,8 @@ func stackConfigMetaforProto(cfgNode *stackconfig.ConfigNode) *terraform1.FindSt
 
 	for name, cc := range cfgNode.Stack.Components {
 		cProto := &terraform1.FindStackConfigurationComponents_Component{
-			SourceAddr: cc.FinalSourceAddr.String(),
+			SourceAddr:    cc.FinalSourceAddr.String(),
+			ComponentAddr: stackaddrs.Component{Name: cc.Name}.String(),
 		}
 		switch {
 		case cc.ForEach != nil:

internal/rpcapi/terraform1/terraform1.proto

@@ -471,6 +471,7 @@ message FindStackConfigurationComponents {
     message Component {
         string source_addr = 1;
         Instances instances = 2;
+        string component_addr = 3;
     }
 }