alphabetical sort on date or numeric columns

[pllevy173]

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Describe the bug
After querying, wen can use local table to soert or filter lines. The sort capability is not accurate on date or numeric columns.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Data Export'
2. Execute any query containing a date and a numeric field
3. Go to "Export Result" subwindow
4. Sort lines by clicking on the column title of the date (or the numeric) field
5. lines are sorted alphabetically instead of using date or numeric value.

Expected behavior

• for date field, lines should be sorted from oldest to newest or vice-versa
• for numeric field, lines souhld be sorted from smallest to biggest or vice-versa

Screenshots
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Desktop (please complete the following information):

• OS: Windows
• Browser : chrome
• Version : v1.38/65