fix(Designer): Add a log when user sees invalid connection error on operation deserialization

[Aleks-gdb]

…alization

• Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes/features)
• Docs have been added / updated (for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  An extra log
• What is the current behavior? (You can also link to an open issue here)
  No logging for when user sees error for invalid connection
• What is the new behavior (if this is a feature change)?
  No UX/behavior change
• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
  N/A
• Please Include Screenshots or Videos of the intended change: