MC-4965: Text Wrapping Inside Inline WYSIWYG Editors Will Break On Words (Storefront as well for Slide & Banner)

- fix for heading in block
- fix for button items in block

Author: anthoula

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/button-item/_default.less

@@ -100,3 +100,17 @@
     height: ~'calc(100% - 10px)';
     width: ~'calc(100% - 10px)';
 }
+
+//
+//  Styles rendered through Blocks
+//  ______________________________
+
+[data-role='button-item'] {
+    max-width: 100%;
+    overflow-wrap: break-word;
+    word-wrap: break-word;
+
+    [data-element='link'] {
+        max-width: 100%;
+    }
+}

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/heading/_default.less

@@ -64,3 +64,12 @@
         margin-top: 2rem;
     }
 }
+
+//
+//  Styles rendered through Blocks
+//  ______________________________
+
+[data-role='heading'] {
+    overflow-wrap: break-word;
+    word-wrap: break-word;
+}