fix send link preview keep being shown

Relates #1810

ts/components/session/conversation/SessionCompositionBox.tsx

@@ -242,6 +242,7 @@ class SessionCompositionBoxInner extends React.Component<Props, State> {
     if (this.isURL(pastedText) && !window.getSettingValue('link-preview-setting', false)) {
       const alreadyDisplayedPopup =
         (await getItemById(hasLinkPreviewPopupBeenDisplayed))?.value || false;
+      if (!alreadyDisplayedPopup) {
         window.inboxStore?.dispatch(
           updateConfirmModal({
             shouldShowConfirm:
@@ -259,6 +260,7 @@ class SessionCompositionBoxInner extends React.Component<Props, State> {
         );
       }
     }
+  }
 
   /**
    *