Cancel change connection disconnects current connection

[robg37]

Issue Type: Bug

Open a database connection. Create a new query. Select "Change Connection." Cancel the Connection dialog. The query will now be disconnected.

The expected behavior would be to keep the current connection open until a new connection is actually selected.

SQL Operations Studio version: sqlops 0.29.3 (7099922, 2018-05-04T05:46:24.032Z)
OS version: Windows_NT x64 6.1.7601

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz (8 x 3591)
Memory (System)	15.91GB (0.95GB free)
Process Argv	C:\Program Files\SQL Operations Studio\sqlops.exe
Screen Reader	no
VM	0%

Extensions: none Reproduces without extensions

[MattIrv]

This is fixed in master now so it will be included in our next release