#141: Allow text selection from react grid cell

[dsuren1]

Description

This PR allows possibility to select texts from react grid cells

Please check if the PR fulfills these requirements

• The commit message follows our guidelines: https://github.com/geosolutions-it/MapStore2/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x", remove the others)

• Bugfix

Issue

What is the current behavior?
#141

What is the new behavior?
User can now click and drag/double click on grid cell to select a text

Breaking change

Does this PR introduce a breaking change? (check one with "x", remove the other)

• Yes, and I documented them in migration notes
• No

Other useful information

[offtherailz]

This may be applied to the whole mapstore. Can you please create a more specific selector that includes only the tables of cadastrapp, in order to avoid possible issues caused by the inclusion of this plugin.

[dsuren1]

Sure