chore: Add in font to EarnEnterAmount text style (#6430)

### Description

Title

### Test plan

CI

### Related issues

N/A

### Backwards compatibility

N/A
### Network scalability

If a new NetworkId and/or Network are added in the future, the changes
in this PR will:

N/A

src/earn/EarnEnterAmount.tsx

@@ -1112,10 +1112,12 @@ const styles = StyleSheet.create({
     alignItems: 'flex-start',
   },
   bottomSheetLineLabel: {
+    ...typeScale.bodySmall,
     maxWidth: '40%',
     textAlign: 'left',
   },
   bottomSheetLineLabelText: {
+    ...typeScale.bodySmall,
     maxWidth: '60%',
     textAlign: 'right',
   },