chore: Improve design of comment bar in notes (#1102)

* Improve design of comment bar in notes

Co-authored-by: v1b3m <vibenjamin6@gmail.com>

* Add autoFocus

Co-authored-by: v1b3m <vibenjamin6@gmail.com>

* Add requested changes

Co-authored-by: v1b3m <vibenjamin6@gmail.com>

* Add requested changes

Co-authored-by: v1b3m <vibenjamin6@gmail.com>

* Align the text area

Co-authored-by: v1b3m <vibenjamin6@gmail.com>

* Use ref instead of getElementById

Co-authored-by: v1b3m <vibenjamin6@gmail.com>

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Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: Charles Bochet <charlesBochet@users.noreply.github.com>

front/src/modules/activities/right-drawer/components/RightDrawerActivity.tsx

@@ -13,6 +13,7 @@ const StyledContainer = styled.div`
   height: 100%;
   justify-content: space-between;
   overflow-y: auto;
+  position: relative;
 `;
 
 type OwnProps = {