MOBILE-3833 forum: Fix check empty discussion list
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				@ -40,11 +40,11 @@
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        </ion-card>
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        <ng-container *ngIf="forum">
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            <core-empty-box *ngIf="!discussions || discussions.empty" icon="far-comments"
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            <core-empty-box *ngIf="!discussions || !discussions.hasDiscussions" icon="far-comments"
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                [message]="'addon.mod_forum.forumnodiscussionsyet' | translate">
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            </core-empty-box>
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            <div *ngIf="discussions && !discussions.empty && sortingAvailable && selectedSortOrder" class="ion-text-wrap">
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            <div *ngIf="discussions?.hasDiscussions && sortingAvailable && selectedSortOrder" class="ion-text-wrap">
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                <core-combobox [modalOptions]="sortOrderSelectorModalOptions" listboxId="addon-mod-forum-sort-selector"
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                    [label]="('core.sort' | translate)" (onChange)="setSortOrder($event)" [selection]="selectedSortOrder.label | translate"
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                    interface="modal">
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@ -705,4 +705,16 @@ class AddonModForumDiscussionsManager extends CoreListItemsManager<AddonModForum
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        }
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    }
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    /**
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     * Check whether there is any discussion in the items.
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     *
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     * @return Whether there is a discussion.
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     */
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    get hasDiscussions(): boolean {
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        const source = this.getSource();
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        const items = source.getItems();
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        return items !== null && items.some(item => !source.isNewDiscussionForm(item));
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    }
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}
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