Fix/accordion help icon position (#2896)

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Fixes a bug in ConstraintAccordionList where the help icon was moved to
the next line
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Signed-off-by: andreas-unleash <andreas@getunleash.ai>

frontend/src/component/common/ConstraintAccordion/ConstraintAccordionList/ConstraintAccordionList.tsx

@@ -60,6 +60,7 @@ const StyledConstraintLabel = styled('p')(({ theme }) => ({
 const StyledAddCustomLabel = styled('div')(({ theme }) => ({
     marginBottom: theme.spacing(1),
     color: theme.palette.text.secondary,
+    display: 'flex',
 }));
 
 export const ConstraintAccordionList = forwardRef<