[SM-478] Resolve introduced eslint errors for button type (#4612)

libs/components/src/navigation/nav-group.component.html

@@ -1,5 +1,3 @@
-<!-- Please remove this disable statement when editing this file! -->
-<!-- eslint-disable @angular-eslint/template/button-has-type -->
 <!-- This a higher order component that composes `NavItemComponent`  -->
 <bit-nav-item
   [text]="text"
@@ -13,6 +11,7 @@
 >
   <ng-template #button>
     <button
+      type="button"
       class="tw-ml-auto"
       [bitIconButton]="
         open ? 'bwi-angle-up' : variant === 'tree' ? 'bwi-angle-right' : 'bwi-angle-down'

libs/components/src/navigation/nav-item.component.html

@@ -1,5 +1,3 @@
-<!-- Please remove this disable statement when editing this file! -->
-<!-- eslint-disable @angular-eslint/template/button-has-type -->
 <div
   class="tw-relative"
   [ngClass]="[
@@ -28,6 +26,7 @@
       }"
     >
       <button
+        type="button"
         class="tw-invisible"
         [bitIconButton]="'bwi-angle-down'"
         size="small"
@@ -65,6 +64,7 @@
     <ng-template #isButton>
       <!-- Class field should match `#isAnchor` class field above -->
       <button
+        type="button"
         class="fvw tw-w-full tw-overflow-hidden tw-text-ellipsis tw-whitespace-nowrap tw-border-none tw-bg-transparent tw-p-0 tw-text-start !tw-text-alt2 hover:tw-text-alt2 hover:tw-no-underline focus:tw-outline-none [&>:not(.bwi)]:hover:tw-underline"
         (click)="mainContentClicked.emit()"
       >