Track Caldera Forms entry ID in user meta so form can be used as editor for previous submission https://calderaforms.com/doc/edit-caldera-forms-entries/

track-entry-id-by-user.php

<?php
/**
 * On form load, check for a saved entry for current user
 */
add_filter( 'caldera_forms_render_entry_id', function ( $entry_id, $form ){
	//change form ID to match your form
	if( 'CF1234567' == $form[ 'ID' ] && get_current_user_id() ){
		$saved_entry_id = get_user_meta( get_current_user_id(), 'form_entry_id' );
		if( 0 < absint( $saved_entry_id ) ){
			$entry_id = $saved_entry_id;
		}
	}

	return $entry_id;
}, 10, 2);

/**
 * On form submit, save the entry ID as user meta
 */
add_action( 'caldera_forms_submit_complete', function( $form, $form_link_array, $process_id, $entry_id ){
	//change form ID to match your form
	if( 'CF1234567' == $form[ 'ID' ] && get_current_user_id() ){
		update_user_meta( get_current_user_id(), 'form_entry_id', $entry_id );
	}
	
}, 10, 4);