Replace React-JSS with CSS Modules

[Lukas742]

Refactor components to use CSS Modules instead of React-JSS for styling.

• [x] ActionSheet
• [x] AnalyticalCard
• [ ] AnalyticalCardHeader
• [ ] AnalyticalTable
• [ ] DynamicPage
• [ ] DynamicPageAnchorBar
• [ ] DynamicPageHeader
• [ ] DynamicPageTitle
• [ ] ExpandableText https://github.com/SAP/ui5-webcomponents-react/pull/5518
• [ ] FilterBar
• [ ] FilterGroupItem
• [ ] FlexBox
• [ ] Form
• [x] FormGroup
• [ ] FormItem
• [ ] Grid
• [ ] Loader
• [x] MessageBox
• [x] MessageView - https://github.com/SAP/ui5-webcomponents-react/pull/5615
• [x] MessageViewButton - https://github.com/SAP/ui5-webcomponents-react/pull/5615
• [x] NumericSideIndicator
• [ ] ObjectPage
• [ ] ObjectPageSection
• [ ] ObjectPageSubSection
• [x] ObjectStatus
• [ ] OverflowToolbarButton
• [ ] OverflowToolbarToggleButton
• [ ] ResponsiveGridLayout
• [ ] SelectDialog
• [x] Splitter https://github.com/SAP/ui5-webcomponents-react/pull/5606
• [x] SplitterElement https://github.com/SAP/ui5-webcomponents-react/pull/5606
• [x] SplitterLayout https://github.com/SAP/ui5-webcomponents-react/pull/5606
• [ ] Text https://github.com/SAP/ui5-webcomponents-react/pull/5518
• [x] ThemeProvider
• [ ] Toolbar
• [ ] ToolbarSeparator
• [ ] ToolbarSpacer
• [ ] VariantManagement

---

Charts:

• [ ] BarChart
• [ ] BulletChart
• [ ] ColumnChart
• [ ] ColumnChartWithTrend
• [ ] ComposedChart
• [ ] DonutChart
• [ ] LineChart
• [ ] MicroBarChart
• [ ] PieChart
• [ ] RadarChart
• [ ] RadialChart
• [ ] ScatterChart
• [ ] TimelineChart