Fix/table export

[alfredorubin96]

Fixing the following problems:

1. fixing comma escaping for each value in the export
2. added utf-8 charset to exported CSV

[codecov[bot]]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (20e4e0a) 39.07% compared to head (417f4bd) 38.81%. Report is 85 commits behind head on develop.

Files	Patch %	Lines
src/chart/ChartUtils.ts	0.00%	3 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #781 +/- ## =========================================== - Coverage 39.07% 38.81% -0.27% =========================================== Files 208 211 +3 Lines 8721 8837 +116 Branches 2598 2637 +39 =========================================== + Hits 3408 3430 +22 - Misses 5252 5346 +94 Partials 61 61 ```

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud