feat: fill in the reason field for the abort event when caused by mobsim endtime

[kainagel]

…dtime

We are using Conventional Commits, so that we are able to auto generate a changelog. The format is described below:

Title

<type>[optional scope]: <description> e.g.: fix(QSim): Correctly calculate travel times on links

Available types:

• feat: A new feature
• fix: A bug fix
• docs: Documentation only changes
• style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
• refactor: A code change that neither fixes a bug nor adds a feature
• perf: A code change that improves performance
• test: Adding missing tests or correcting existing tests
• build: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
• ci: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
• chore: Other changes that don't modify src or test files
• revert: Reverts a previous commit

Body

Optionally, describe the change in more detail.

If the PR introduces a breaking change write: BREAKING CHANGE at the bottom of the message