fix(ngx-table): Stringify the selectableKey value#239

IbenTesara merged 1 commit intomasterstudiohyperdrive/hyperdrive-opensource:masterfrom

fix/ngx-table/238-ngx-table-table-crashes-if-the-value-of-the-selectablekey-isnt-a-stringstudiohyperdrive/hyperdrive-opensource:fix/ngx-table/238-ngx-table-table-crashes-if-the-value-of-the-selectablekey-isnt-a-stringCopy head branch name to clipboard