MCP: [FIX] MCP::Config now uses testrun result object
MCP: [FIX] MCP::Config now uses testrun result object

$self->testrun became a DBIC object recently for all MCP::Control based
$self->modules. MCP::Control is among them but still used the old API of
$self->testrun being an int (testrun id). Now it uses the new API.

csdb/Tapper-MCP,csdb/Tapper-MCP,tapper/Tapper-MCP,tapper/Tapper-MCP