Test report reworked (#522)

[nikitavlaev]

Description

Removed tsv.
Sarif and detailed statistics appears only in event log.
Bubble with warnings is now of warning type.

Fixes #522

Type of Change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Manual Scenario

1. Generate tests for anything without warnings -- works like discussed, short report in bubble, full report in event log.
2. Generate tests for anything with warnings(mocks without mockito) -- bubble should be like a warning.

Checklist (remove irrelevant options):

• The change followed the style guidelines of the UTBot project
• Self-review of the code is passed
• The change contains enough commentaries, particularly in hard-to-understand areas
• New documentation is provided or existed one is altered
• No new warnings
• Tests that prove my change is effective
• All tests pass locally with my changes

[Vassiliy-Kudryashov]

The message doesn't looks well (screenshot from macOS), probably for warning case we need shorter message. Full test was:

The message for successful case also has ellipsis (...) that makes message less readable:

[Vassiliy-Kudryashov]

We have to dogfood it