MC-5184: Missing validation message when uploading big image

- Reverted maxFileSize attribute to base and image form image uploaders

Author: Hwashiang Yu

app/code/Magento/PageBuilder/view/adminhtml/ui_component/pagebuilder_base_form_with_background_attributes.xml

@@ -46,6 +46,7 @@
                 <imageUploader>
                     <settings>
                         <allowedExtensions>jpg jpeg gif png</allowedExtensions>
+                        <maxFileSize>4194304</maxFileSize>
                         <uploaderConfig>
                             <param xsi:type="string" name="url">pagebuilder/contenttype/image_upload</param>
                         </uploaderConfig>
@@ -63,6 +64,7 @@
                 <imageUploader>
                     <settings>
                         <allowedExtensions>jpg jpeg gif png</allowedExtensions>
+                        <maxFileSize>2097152</maxFileSize>
                         <uploaderConfig>
                             <param xsi:type="string" name="url">pagebuilder/contenttype/image_upload</param>
                         </uploaderConfig>

app/code/Magento/PageBuilder/view/adminhtml/ui_component/pagebuilder_image_form.xml

@@ -82,6 +82,7 @@
                 <imageUploader>
                     <settings>
                         <allowedExtensions>jpg jpeg gif png</allowedExtensions>
+                        <maxFileSize>4194304</maxFileSize>
                         <uploaderConfig>
                             <param xsi:type="string" name="url">pagebuilder/contenttype/image_upload</param>
                         </uploaderConfig>
@@ -99,6 +100,7 @@
                 <imageUploader>
                     <settings>
                         <allowedExtensions>jpg jpeg gif png</allowedExtensions>
+                        <maxFileSize>2097152</maxFileSize>
                         <uploaderConfig>
                             <param xsi:type="string" name="url">pagebuilder/contenttype/image_upload</param>
                         </uploaderConfig>