Give more blueprint shapes in sandbox controller, create wire network even if it consists of tunnels only

src/js/game/hud/parts/sandbox_controller.js

@@ -78,7 +78,7 @@ export class HUDSandboxController extends BaseHUDPart {
         if (!this.root.hubGoals.storedShapes[blueprintShape]) {
             this.root.hubGoals.storedShapes[blueprintShape] = 0;
         }
-        this.root.hubGoals.storedShapes[blueprintShape] += 1e4;
+        this.root.hubGoals.storedShapes[blueprintShape] += 1e9;
     }
 
     maxOutAll() {

src/js/game/systems/wire.js

@@ -317,7 +317,9 @@ export class WireSystem extends GameSystemWithFilter {
 
         if (
             currentNetwork.providers.length > 0 &&
-            (currentNetwork.wires.length > 0 || currentNetwork.receivers.length > 0)
+            (currentNetwork.wires.length > 0 ||
+                currentNetwork.receivers.length > 0 ||
+                currentNetwork.tunnels.length > 0)
         ) {
             this.networks.push(currentNetwork);
             VERBOSE_WIRES && logger.log("Attached new network with uid", currentNetwork);