fix: enabling snapline plugin selecting and moving cells bug

[wqgs2004214]

…translateby是node2时，导致node2和组合在一起的node3移动错乱，并且node1移动错误的bug

Description

fix #4491

Motivation and Context

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Enhancement (changes that improvement of current feature or performance)
• Refactoring (changes that neither fixes a bug nor adds a feature)
• Test Case (changes that add missing tests or correct existing tests)
• Code style optimization (changes that do not affect the meaning of the code)
• Docs (changes that only update documentation)
• Chore (changes that don't modify src or test files)

Self Check before Merge

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[hustcc]

map[currentCell.id] = true

@wqgs2004214 这行代码知道是用来干啥的嘛？一定是特意需要这么做的，直接删了会带其他更多的问题吧？