azure: Avoid spurious changes due to shared field

upup/pkg/fi/cloudup/azuretasks/routetable.go

@@ -67,6 +67,7 @@ func (r *RouteTable) Find(c *fi.Context) (*RouteTable, error) {
 	return &RouteTable{
 		Name:      r.Name,
 		Lifecycle: r.Lifecycle,
+		Shared:    r.Shared,
 		ResourceGroup: &ResourceGroup{
 			Name: r.ResourceGroup.Name,
 		},

upup/pkg/fi/cloudup/azuretasks/subnet.go

@@ -68,6 +68,7 @@ func (s *Subnet) Find(c *fi.Context) (*Subnet, error) {
 	return &Subnet{
 		Name:      s.Name,
 		Lifecycle: s.Lifecycle,
+		Shared:    s.Shared,
 		ResourceGroup: &ResourceGroup{
 			Name: s.ResourceGroup.Name,
 		},

upup/pkg/fi/cloudup/azuretasks/virtualnetwork.go

@@ -76,6 +76,7 @@ func (n *VirtualNetwork) Find(c *fi.Context) (*VirtualNetwork, error) {
 	return &VirtualNetwork{
 		Name:      n.Name,
 		Lifecycle: n.Lifecycle,
+		Shared:    n.Shared,
 		ResourceGroup: &ResourceGroup{
 			Name: n.ResourceGroup.Name,
 		},