Fix bug with NetworkList dropdown
Fix bug with NetworkList dropdown

The NetworkDropdown component was incorrectly guarding against a null
check when retrieving the list of networks

Signed-off-by: YaoiFangirl420 <d238f00d49a1af50b1efc5937e20264bf488ec13@users.noreply.github.com>

matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk