Revert "ref(ui): Allow keyValueTable value to expand more (#67497)"

This reverts commit 43e93652bc4c1880c557f2cf7f34cbf04f195aff.

Co-authored-by: gggritso <989898+gggritso@users.noreply.github.com>

static/app/components/keyValueTable.tsx

@@ -12,7 +12,7 @@ type Props = {
 
 export const KeyValueTable = styled('dl')<{noMargin?: boolean}>`
   display: grid;
-  grid-template-columns: fit-content(50%) auto;
+  grid-template-columns: 50% 50%;
   ${p => (p.noMargin ? 'margin-bottom: 0;' : null)}
 `;