feat(searchbar): disable autocorrect/autocapitalize/spellcheck

Closes #5749

Author: adamdbradley

ionic/components/searchbar/searchbar.ts

@@ -60,7 +60,7 @@ export class SearchbarInput {
         '<ion-icon name="arrow-back"></ion-icon>' +
       '</button>' +
       '<div class="searchbar-search-icon"></div>' +
-      '<input [value]="value" (keyup)="inputChanged($event)" (blur)="inputBlurred()" (focus)="inputFocused()" class="searchbar-input" type="search" [attr.placeholder]="placeholder" autocomplete="off">' +
+      '<input [value]="value" (keyup)="inputChanged($event)" (blur)="inputBlurred()" (focus)="inputFocused()" class="searchbar-input" type="search" [attr.placeholder]="placeholder" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false">' +
       '<button clear *ngIf="value" class="searchbar-clear-icon" (click)="clearInput()" (mousedown)="clearInput()"></button>' +
     '</div>' +
     '<button clear (click)="cancelSearchbar()" (mousedown)="cancelSearchbar()" [hidden]="hideCancelButton" class="searchbar-ios-cancel">{{cancelButtonText}}</button>',