fix: [esign] 그룹 드래그 후 선택 해제되는 문제 수정

- 드래그 완료 후 click 이벤트에서 선택 변경 무시
- 여백 클릭 시에만 그룹 선택 해제

resources/views/esign/template-fields.blade.php

@@ -134,6 +134,7 @@ className={`w-full relative rounded border-2 transition-all ${p === currentPage
 const FieldOverlay = ({ field, index, selected, signerCount, containerRef, onSelect, onUpdate, onDragEnd, gridEnabled, selectedIndices, onGroupMove }) => {
     const fieldRef = useRef(null);
     const [resizeMode, setResizeMode] = useState(false);
+    const draggedRef = useRef(false);
     const latestRef = useRef({ field, index, onUpdate, onDragEnd, selectedIndices, onGroupMove });
     latestRef.current = { field, index, onUpdate, onDragEnd, selectedIndices, onGroupMove };
 
@@ -205,6 +206,7 @@ className={`w-full relative rounded border-2 transition-all ${p === currentPage
                     modifiers,
                     listeners: {
                         move(event) {
+                            draggedRef.current = true;
                             const { field: f, index: idx, onUpdate: update, selectedIndices: si, onGroupMove: groupMove } = latestRef.current;
                             const rect = containerRef.current.getBoundingClientRect();
                             const dx = (event.dx / rect.width) * 100;
@@ -217,7 +219,10 @@ className={`w-full relative rounded border-2 transition-all ${p === currentPage
                                 update(idx, { position_x: round2(newX), position_y: round2(newY) });
                             }
                         },
-                        end() { latestRef.current.onDragEnd(); },
+                        end() {
+                            latestRef.current.onDragEnd();
+                            setTimeout(() => { draggedRef.current = false; }, 0);
+                        },
                     },
                 });
         }
@@ -227,7 +232,7 @@ className={`w-full relative rounded border-2 transition-all ${p === currentPage
 
     return (
         <div ref={fieldRef}
-             onClick={(e) => { e.stopPropagation(); onSelect(index, e); }}
+             onClick={(e) => { e.stopPropagation(); if (draggedRef.current) return; onSelect(index, e); }}
              onDoubleClick={(e) => { e.stopPropagation(); onSelect(index, e); setResizeMode(prev => !prev); }}
              style={{
                  position: 'absolute',