Try detecting changes in demos

Author: IlyaKhD

.github/workflows/demos_visual_tests_frameworks.yml

@@ -162,7 +162,7 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: DevExpress/github-actions/get-changed-files@v1
+        uses: IlyaKhD/github-actions/get-changed-files@khd/update-get-changed-files
         if: github.event_name == 'pull_request' && !contains(github.event.pull_request.labels.*.name, 'force all tests')
         with:
           gh-token: ${{ secrets.GITHUB_TOKEN }}

apps/demos/Demos/Accordion/Overview/description.md

@@ -17,4 +17,5 @@ The [animationDuration](/Documentation/ApiReference/UI_Components/dxAccordion/Co
 
 ## Customize Item Appearance
 
-Use the [itemTemplate](/Documentation/ApiReference/UI_Components/dxAccordion/Configuration/#itemTemplate) and [itemTitleTemplate](/Documentation/ApiReference/UI_Components/dxAccordion/Configuration/#itemTitleTemplate) properties to customize the panel appearance. If you use the **items** array, you can also specify the [icon](/Documentation/ApiReference/UI_Components/dxAccordion/Configuration/items/#icon) property.
+Use the [itemTemplate](/Documentation/ApiReference/UI_Components/dxAccordion/Configuration/#itemTemplate) and [itemTitleTemplate](/Documentation/ApiReference/UI_Components/dxAccordion/Configuration/#itemTitleTemplate) properties to customize the panel appearance. If you use the **items** array, you can also specify the [icon](/Documentation/ApiReference/UI_Components/dxAccordion/Configuration/items/#icon) property.
+change

apps/demos/Demos/Box/Overview/description.md

@@ -12,4 +12,5 @@ The second Box shows two additional features:
 - Items now use the [baseSize](/Documentation/ApiReference/UI_Components/dxBox/Configuration/items/#baseSize) property to set their width in pixels or percent. 
 - The middle item contains a nested Box. The [align](/Documentation/ApiReference/UI_Components/dxBox/Configuration/#align) and [crossAlign](/Documentation/ApiReference/UI_Components/dxBox/Configuration/#crossAlign) properties make sure that the nested layout is centered within its container.
 
-The third Box demonstrates a layout similar to a basic web page structure. The root layout sets [direction](/Documentation/ApiReference/UI_Components/dxBox/Configuration/#direction) to `col` and arranges its items vertically. The nested layout is arranged horizontally. 
+The third Box demonstrates a layout similar to a basic web page structure. The root layout sets [direction](/Documentation/ApiReference/UI_Components/dxBox/Configuration/#direction) to `col` and arranges its items vertically. The nested layout is arranged horizontally. 
+change