ACP2E-3863: Update copyrights for MSI and fix static errors.

Modules: InventoryAdvancedCheckout, InventoryConfigurableProductFrontendUi, InventorySourceSelection, InventoryExportStockApi, InventorySetupFixtureGenerator,

Author: thiaramus

InventoryConfigurableProductFrontendUi/view/frontend/templates/product/view/stockQty.phtml

@@ -3,7 +3,9 @@
  * Copyright 2020 Adobe
  * All Rights Reserved.
  */
+
+/** @var \Magento\Framework\Escaper $escaper */
 ?>
-<div class="availability only configurable-variation-qty" title="<?= $block->escapeHtmlAttr(__('Qty')) ?>">
+<div class="availability only configurable-variation-qty" title="<?= $escaper->escapeHtmlAttr(__('Qty')) ?>">
     <?= /* @noEscape */ __('Only %1 left', "<strong>%1</strong>") ?>
 </div>