nbgl_use_case: Fix blind sign warning icon

Blind sign warning icon was always displayed during streaming review.
Only display icon in first and last review page.

lib_nbgl/src/nbgl_use_case.c

@@ -907,12 +907,17 @@ static bool genericContextPreparePageContent(const nbgl_content_t *p_content,
  LOG_DEBUG(USE_CASE_LOGGER, "Unsupported type %d\n", pageContent->type);
  return false;
  }
- // if first or last page of review and blind operation, add the top-right button
- if (((p_content == &STARTING_CONTENT) || (p_content->type == INFO_LONG_PRESS))
- && (((navType == STREAMING_NAV)
- && (bundleNavContext.reviewStreaming.operationType & BLIND_OPERATION))
- || ((navType == GENERIC_NAV)
- && (bundleNavContext.review.operationType & BLIND_OPERATION)))) {
+
+ bool isFirstOrLastPage
+ = (p_content->type == CENTERED_INFO) || (p_content->type == INFO_LONG_PRESS);
+ bool isStreamingNavAndBlindOperation
+ = (navType == STREAMING_NAV)
+ && (bundleNavContext.reviewStreaming.operationType & BLIND_OPERATION);
+ bool isGenericNavAndBlindOperation
+ = (navType == GENERIC_NAV) && (bundleNavContext.review.operationType & BLIND_OPERATION);
+
+ // if first or last page of review and blind operation, add the warning top-right button
+ if (isFirstOrLastPage && (isStreamingNavAndBlindOperation || isGenericNavAndBlindOperation)) {
  pageContent->topRightIcon = &WARNING_ICON;
  pageContent->topRightToken = BLIND_WARNING_TOKEN;
  }