Bug Fixes

[noonchen]

Crashes:

• Fix crash if unknown records are detected in xlsx conversion.
• Fix crash if config contains unexpected value type.

Bugs:

• Rows disappear in merge UI when all files are removed and then added back.
• Unvalidated symbol list in config is not filtered.
• Average of selected data in trend chart incorrectly shows min value.
• Progress bar in exporter is not correct.

Defensive:

• Avoid duplicated signal connection for checkboxes.
• Use tuple comparison for version check.
• Use single source for log name.
• Index guard in merge UI file move.
• Fix html format in version change log.
• Early return when dutList is empty in getTestDataFromDutIndex.
• Avoid zero division in yield calculation.