Add "Reconnect" option to SWQL Studio

[thezackm]

After a period of inactivity, the SWIS connection in SWQL Studio will disconnect. Request adding a connection status icon to the root of the entity tree as well as a reconnect option that will allow you to bypass having to attempt a query and wait for it to fail to get a fresh connection established.

[tdanner]

It actually already handles reconnection for things like simple broken TCP connections. The problem is that if you leave a connection open long enough without using it, the authentication token will expire. I'll add a retry for that case.

[thezackm]

Perfect; thank you.

[clefranc]

Hi @tdanner , I still get the "The security context token is expired or invalid. The message was not processed." after a period of inactivity. The fix #109 doesn't seem to reconnect as expected.

[clefranc]

Hi @tdanner , I just tried the latest version of SWQL Studio, and it seems there is no longer timeouts or error after a long period of inactivity.

Can you give me more info on what was done? Can't find the pull request that solved this issue.

Thank you!