fix(lib): update scripts/aem.js to aem.js@1.5.4

Test URL: https://update-lib-aem-patch-1-5-4--aem-boilerplate--adobe.hlx.live/
Release Notes: https://github.com/adobe/aem-lib/releases/tag/v1.5.4

scripts/aem.js

@@ -372,6 +372,48 @@ function decorateTemplateAndTheme() {
   if (theme) addClasses(document.body, theme);
 }
 
+/**
+ * Wrap inline text content of block cells within a <p> tag.
+ * @param {Element} block the block element
+ */
+function wrapTextNodes(block) {
+  const validWrappers = [
+    'P',
+    'PRE',
+    'UL',
+    'OL',
+    'PICTURE',
+    'TABLE',
+    'H1',
+    'H2',
+    'H3',
+    'H4',
+    'H5',
+    'H6',
+  ];
+
+  const wrap = (el) => {
+    const wrapper = document.createElement('p');
+    wrapper.append(...el.childNodes);
+    el.append(wrapper);
+  };
+
+  block.querySelectorAll(':scope > div > div').forEach((blockColumn) => {
+    if (blockColumn.hasChildNodes()) {
+      const hasWrapper = !!blockColumn.firstElementChild
+        && validWrappers.some((tagName) => blockColumn.firstElementChild.tagName === tagName);
+      if (!hasWrapper) {
+        wrap(blockColumn);
+      } else if (
+        blockColumn.firstElementChild.tagName === 'PICTURE'
+        && (blockColumn.children.length > 1 || !!blockColumn.textContent.trim())
+      ) {
+        wrap(blockColumn);
+      }
+    }
+  });
+}
+
 /**
  * Decorates paragraphs containing a single link as buttons.
  * @param {Element} element container element
@@ -635,6 +677,7 @@ function decorateBlock(block) {
     block.classList.add('block');
     block.dataset.blockName = shortBlockName;
     block.dataset.blockStatus = 'initialized';
+    wrapTextNodes(block);
     const blockWrapper = block.parentElement;
     blockWrapper.classList.add(`${shortBlockName}-wrapper`);
     const section = block.closest('.section');
@@ -723,4 +766,5 @@ export {
   toClassName,
   updateSectionsStatus,
   waitForLCP,
+  wrapTextNodes,
 };