Michael

### Description Given that text resources might contain HTML tags, adding a WYSIWYG editor could make editing easier. ### Additional Information _No response_

### Description of the bug The selected model/object should remain selected and the `Felter` tab should remain opened after deleting a field ### Steps To Reproduce #### Model https://github.com/Altinn/altinn-studio/assets/24462611/9a505462-d12d-4d6e-806e-225ceedb2f0f ####...

Create a unique header

3

### Description We currently use two different components for the header (Header.tsx and AltinnHeader.tsx) which leads to visual inconsistencies (e.g different heights, padding, shadow, logo size, menu components, etc). I...

Make headers always visible

2

### Description of the bug The headers (`Header.tsx` and `AltinnHeader.tsx`) does not remain visible when users scroll down the page. This can lead to a bad user experience, as users...

### Description The `@mui/material` package should be removed, and its components should be replaced by components from our [designsystem](https://github.com/digdir/designsystem) `HeaderMenu.tsx` and `Header.tsx` will be removed by #11611 so they don't...

### Description Use new StudioParagraph component instead.

Remove @mui/material Menu & MenuItem from ProfileMenu

3

### Description Remove Material UI from `ProfileMenu`. A solution could be to replace the menu with the `StudioDropdownMenu` component.

Replace Legacy components with new ones from design system

1

### Description We should consider replacing the Legacy components with the new ones from the design system. ```[tasklist] ### Tasks - [ ] Replace LegacyTextField - [ ] Replace LegacySelect...

Make confirmation dialogs consistent

3

### Description We use different confirmation dialogs across the solution, which slightly affects the user experience due to the lack of uniformity https://github.com/Altinn/altinn-studio/assets/24462611/c1eb845b-8806-4447-8138-72975e595fb7 ### Additional Information _No response_ ```[tasklist] ###...

Data model is autosaved without clicking the save button

2

### Description of the bug The data model field is automatically saved when the value changes. You don't need to click the save button to actually save the changes, which...