💯 Fix cpt conflict by redirecting to 404 and flushing rules

build/admin.asset.php

@@ -1 +1 @@
-<?php return array('dependencies' => array('wp-polyfill'), 'version' => '3325fa0e31c8d56f849cff4cc5cb1f8a');
+<?php return array('dependencies' => array('wp-polyfill'), 'version' => '8a111d7e6103544a4b92b4d831e8e636');

build/editor.asset.php

@@ -1 +1 @@
-<?php return array('dependencies' => array('wp-polyfill'), 'version' => '826b1a7f75ffcee6417c3bea7442eb3b');
+<?php return array('dependencies' => array('wp-polyfill'), 'version' => 'b18f44b145c6705da98f72c96c3b4861');

build/style.asset.php

@@ -1 +1 @@
-<?php return array('dependencies' => array('wp-polyfill'), 'version' => 'f02afffefdcd14a37884d25410b0be1d');
+<?php return array('dependencies' => array('wp-polyfill'), 'version' => '315602804433712a9d480f29ec95226c');

build/styles-manager-addon-style.asset.php

@@ -1 +1 @@
-<?php return array('dependencies' => array('wp-polyfill'), 'version' => '75df66909d8e14b922ee4ee023ca871b');
+<?php return array('dependencies' => array('wp-polyfill'), 'version' => '3209b8b8b4e7bd37fd5acda1a96c379b');

includes/addons/styles-manager/gutenberghub-styles-manager-admin.php

@@ -167,6 +167,16 @@ public function register() {
 			),
 		);
 
+		\register_setting(
+			'general',
+			'_ek_is_styles_manager_cpt_flashed',
+			array(
+				'default'      => false,
+				'show_in_rest' => false,
+				'type'         => 'boolean',
+			)
+		);
+
 		register_post_type( static::$post_type, $args );
 
 		// Adding necessary metadata.
@@ -206,6 +216,14 @@ public function register() {
 			)
 		);
 
+		// Flushing rewrite rules if we haven't already to address the issue where
+		// Custom Post Type redirects to 404 page.
+		if ( false === get_option( '_ek_is_styles_manager_cpt_flashed' ) ) {
+			// This is an expensive operation, so making sure that it only runs once.
+			flush_rewrite_rules( false );
+			update_option( '_ek_is_styles_manager_cpt_flashed', true );
+		}
+
 	}
 
 }