After recent updates to Astra and Toolset, I found that sites using a custom loop would no longer output the loop. Instead they would only output the content from the page they were added to.
I contacted the Astra support team and they provided the following code, which "fixed" the issue:
function remove_inner_group_container_filter( $block_content, $block ) {
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Timezone: Asia/Hong_Kong (GMT+08:00)
As I understand from the custom codes you mentioned above, Astra plugin/them was using filter hook render_block to change outputs of all WordPress blocks, and above codes can remove their custom filters when this block is a non WordPress built-in(core/group) block.
I don't think we can apply their custom codes in Toolset plugins, you might ask Astra support to apply their fix in Astra plugin/theme