Search result fix when Lightning not enabled

frontend/src/app/components/search-form/search-form.component.ts

@@ -80,6 +80,12 @@ export class SearchFormComponent implements OnInit {
               }
             ]);
           }
+          if (!this.stateService.env.LIGHTNING) {
+            return zip(
+              this.electrsApiService.getAddressesByPrefix$(text).pipe(catchError(() => of([]))),
+              [{ nodes: [], channels: [] }]
+            );
+          }
           return zip(
             this.electrsApiService.getAddressesByPrefix$(text).pipe(catchError(() => of([]))),
             this.apiService.lightningSearch$(text).pipe(catchError(() => of({

frontend/src/app/components/search-form/search-results/search-results.component.html

@@ -1,6 +1,6 @@
 <div class="dropdown-menu show" *ngIf="results" [hidden]="!results.addresses.length && !results.nodes.length && !results.channels.length">
   <ng-template [ngIf]="results.addresses.length">
-    <div class="card-title">Bitcoin Addresses</div>
+    <div class="card-title" *ngIf="stateService.env.LIGHTNING">Bitcoin Addresses</div>
     <ng-template ngFor [ngForOf]="results.addresses" let-address let-i="index">
       <button (click)="clickItem(i)" [class.active]="i === activeIdx" type="button" role="option" class="dropdown-item">
         <ngb-highlight [result]="address | shortenString : isMobile ? 25 : 36" [term]="searchTerm"></ngb-highlight>

frontend/src/app/components/search-form/search-results/search-results.component.ts

@@ -1,4 +1,5 @@
 import { Component, EventEmitter, Input, OnChanges, Output } from '@angular/core';
+import { StateService } from 'src/app/services/state.service';
 
 @Component({
   selector: 'app-search-results',
@@ -15,7 +16,7 @@ export class SearchResultsComponent implements OnChanges {
   activeIdx = 0;
   focusFirst = true;
 
-  constructor() { }
+  constructor(public stateService: StateService) { }
 
   ngOnChanges() {
     this.activeIdx = 0;