feat: upped @gravity-ui/uikit version to latest and added zIndex prop to PopoverProps in HelpMark

Author: Полеводин Дмитрий Игоревич (4094029)

package-lock.json

@@ -233,7 +233,7 @@
     "@gravity-ui/prettier-config": "1.1.0",
     "@gravity-ui/stylelint-config": "4.0.1",
     "@gravity-ui/tsconfig": "1.0.0",
-    "@gravity-ui/uikit": "7.1.1",
+    "@gravity-ui/uikit": "7.11.0",
     "@playwright/experimental-ct-react": "1.49.0",
     "@playwright/test": "1.49.0",
     "@storybook/addon-docs": "8.4.1",

package.json

@@ -15,6 +15,8 @@ import {
     type QAProps,
 } from '@gravity-ui/uikit';
 
+import {getZIndexFromVariables} from 'src/utils/get-z-index-from-variables';
+
 import {type ClassNameProps, cn} from '../../classname';
 import {i18n} from '../../i18n/bundle';
 import WysiwygModeIcon from '../../icons/WysiwygMode';
@@ -172,6 +174,9 @@ const SettingsContent: React.FC<SettingsContentProps> = function SettingsContent
                             popoverProps={{
                                 placement: mdHelpPlacement,
                                 modal: false,
+                                zIndex: getZIndexFromVariables(
+                                    '--md-editor-sticky-toolbar-popup-z-index',
+                                ),
                             }}
                             className={bContent('mode-help')}
                         >

src/bundle/settings/index.tsx

@@ -0,0 +1,7 @@
+export const getZIndexFromVariables = (variable: string): number => {
+    const zIndexValue = getComputedStyle(document.documentElement)
+        .getPropertyValue(variable)
+        .trim();
+
+    return parseInt(zIndexValue, 10) || 0;
+};