feat(PBI-49): add BEM sub-element data-debug-id to admin, auth, dialogs, entity-dialog, mobile, split-pane

components/split-pane/split-pane.tsx

@@ -163,6 +163,7 @@ export function SplitPane({
         <Fragment key={i}>
           {i > 0 && (
             <div
+              data-debug-id="split-pane__divider"
               onMouseDown={() => setDragging(i - 1)}
               className={cn(
                 'w-1 shrink-0 bg-border hover:bg-primary transition-colors cursor-col-resize',
@@ -173,6 +174,7 @@ export function SplitPane({
           <div
             className="flex flex-col overflow-hidden"
             style={i === n - 1 ? { flex: 1 } : { width: `${splits[i]}%` }}
+            data-debug-id={i === 0 ? 'split-pane__left' : i === n - 1 ? 'split-pane__right' : undefined}
           >
             {pane}
           </div>