Tracing view improvements and other bugfixes

What's Changed

• Fix typo seperate => separate by @MeladKamari in #625
• [Trace View] Add red error color to tasks that have an error. by @yuehuang010 in #626
• TraceView: Add option to show P2P relation when a project is highlighted by @yuehuang010 in #628
• Improve TraceView's heat graph accuracy. by @yuehuang010 in #629
• Fix an case where TraceView fails to load when GlobalEnd Time isn't set. by @yuehuang010 in #632
• Add file save as option to the file viewer. by @paulomorgado in #631
• Fix memory leak reported by @RussKie

New Contributors

• @MeladKamari made their first contribution in #625

Full Changelog: v2.1.731...v2.1.745