[CodeCamp #1537] Adopt mmeval's ConnectivityError in mmediting

[xuan07472]

Motivation

Adopt mmeval's ConnectivityError in mmediting

Modification

Modify the connectivity_error.py file to support mmeval.

Evaluation test (dev-1.x)

Time cost 11:49 (from log) 20230504_195857.log

Evaluation test (this PR)

Time cost 11:37 (from log) 20230505_175109.log

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