fix: dragging files selects no text; without a drag the names select as before

internal/server/web/static/app.css

@@ -407,7 +407,8 @@ body.dnd, body.dnd * { cursor:grabbing !important; }
 .dropdlg .dd-c { display:flex; align-items:center; gap:6px; }
 .dropdlg .mv-prog { margin-top:0; }
 .dropdlg .dd-btns { display:flex; gap:6px; justify-content:flex-end; }
-.fpane .fp-list tr[data-name] { user-select:none; }
+/* Dragging rows: no text gets selected meanwhile (it can be selected otherwise). */
+body.dnd, body.dnd * { user-select:none !important; -webkit-user-select:none !important; }
 .empty { position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; color:var(--muted); }
 .empty[hidden] { display:none; }
 /* The "+" menu: a terminal here, or on another machine. */

internal/server/web/static/dnd.js

@@ -50,6 +50,9 @@
       begin();
     }
     d.ghost.style.transform = 'translate(' + (ev.clientX + 12) + 'px,' + (ev.clientY + 10) + 'px)';
+    // What the browser began to select before the drag was told apart goes.
+    const sel = getSelection();
+    if (sel && !sel.isCollapsed) sel.removeAllRanges();
     d.target = null;
     box.hidden = true;
     d.ghost.dataset.hint = '';