style(settings): add gap to identity tags (#76686)

before
<img width="626" alt="SCR-20240828-keuh"
src="https://github.com/user-attachments/assets/69151c8f-f4f1-4fce-b542-5b8cad02aca8">

after 
<img width="642" alt="SCR-20240828-kerz"
src="https://github.com/user-attachments/assets/472da083-d36e-4392-80db-31e2f2bef085">

static/app/views/settings/account/accountIdentities.tsx

@@ -254,6 +254,7 @@ const TagWrapper = styled('div')`
   justify-content: flex-start;
   flex-grow: 1;
   margin-right: ${space(1)};
+  gap: ${space(0.75)};
 `;
 
 export default AccountIdentities;