[update] swap legacy snippet for backend version

- replaced i7j5668s with i9i9icc6 in integration guide
- updated all locales (en, ru, zh, de, ko)
- old client-side snippet was hidden due to code quality issues
- SVAR-3048

Author: serhiipylypchuk1991

docs/guides/integration.md

@@ -16,7 +16,7 @@ You can integrate DHTMLX Kanban with other DHTMLX widgets, including:
 
 The following demo embeds a Kanban board alongside Gantt and Scheduler views:
 
-<iframe src="https://snippet.dhtmlx.com/i7j5668s?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
+<iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 
 ## To Do List
 

i18n/de/docusaurus-plugin-content-docs/current/guides/integration.md

@@ -16,7 +16,7 @@ Sie können DHTMLX Kanban mit anderen DHTMLX-Widgets integrieren, darunter:
 
 Die folgende Demo bettet ein Kanban-Board neben Gantt- und Scheduler-Ansichten ein:
 
-<iframe src="https://snippet.dhtmlx.com/i7j5668s?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
+<iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 
 ## To Do List
 

i18n/ko/docusaurus-plugin-content-docs/current/guides/integration.md

@@ -16,7 +16,7 @@ DHTMLX Kanban은 다음과 같은 다른 DHTMLX 위젯과 통합하여 사용할
 
 다음 데모는 Gantt 및 Scheduler 뷰와 함께 Kanban 보드를 임베드한 예제입니다:
 
-<iframe src="https://snippet.dhtmlx.com/i7j5668s?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
+<iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 
 ## To Do List
 

i18n/ru/docusaurus-plugin-content-docs/current/guides/integration.md

@@ -16,7 +16,7 @@ description: Вы можете узнать об интеграции в док
 
 Следующее демо встраивает доску Kanban вместе с представлениями Gantt и Scheduler:
 
-<iframe src="https://snippet.dhtmlx.com/i7j5668s?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
+<iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 
 ## To Do List
 

i18n/zh/docusaurus-plugin-content-docs/current/guides/integration.md

@@ -16,7 +16,7 @@ description: 您可以在DHTMLX JavaScript Kanban库的文档中了解集成方
 
 以下示例将Kanban看板与Gantt和Scheduler视图嵌入在一起：
 
-<iframe src="https://snippet.dhtmlx.com/i7j5668s?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
+<iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 
 ## To Do List