Remove all lightning elements on unsupported networks

frontend/src/app/services/state.service.ts

@@ -115,6 +115,7 @@ export class StateService {
   isMempoolSpaceBuild = window['isMempoolSpaceBuild'] ?? false;
   backend: 'esplora' | 'electrum' | 'none' = 'esplora';
   network = '';
+  lightningNetworks = ['', 'mainnet', 'bitcoin', 'testnet', 'signet'];
   lightning = false;
   blockVSize: number;
   env: Env;
@@ -370,6 +371,10 @@ export class StateService {
     this.lightningChanged$.next(this.lightning);
   }
 
+  networkSupportsLightning() {
+    return this.env.LIGHTNING && this.lightningNetworks.includes(this.network);
+  }
+
   getHiddenProp(){
     const prefixes = ['webkit', 'moz', 'ms', 'o'];
     if ('hidden' in document) { return 'hidden'; }