Web [Charts]: Improve Axis size calculations in order to avoid first/last label overflow

Created by: vovakulikov

Follow up for https://github.com/sourcegraph/sourcegraph/pull/39805

Background

Basically this is still possible to have chart with overflowed labels (even after this improvements about charts axes).

We need to improve axis size calculation and push content rectangle based on axis label sizes and positions to avoid this problem overflowed labels.