message: update merchant logo to use DApp component
diff: word-break: break-all;
  }
  -.payment-request__merchant {
  - display: flex;
  - flex-flow: column;
  - text-align: center;
  - align-items: center;
  -}
  -
  -.payment-request__merchant-logo {
  - --logo-size: var(--boxel-icon-lg);
  -
  - background: var(--merchant-logo-background);
  - color: var(--merchant-logo-text-color);
  - align-self: flex-start;
  - display: flex;
  - align-items: center;
  - justify-content: center;
  - width: var(--logo-size);
  - height: var(--logo-size);
  - border-radius: 50%;
  - margin-right: auto;
  - margin-left: auto;
  - margin-bottom: var(--boxel-sp-xxxs);
  - font-size: 1.5rem;
  - font-weight: 700;
  -}
  -
  -.payment-request__merchant-description {
  - font: 700 var(--boxel-font);
  - letter-spacing: var(--boxel-lsp-xs);
  -}
  -
  .payment-request__qr-code-toggle {
  appearance: none;
  -webkit-appearance: none;
  