Updated IDA interface to auto plot files.

Refs #7669
Updated C2E calib and diagnostics tabs to auto load.

Refs #7669
Merge remote-tracking branch 'origin/master' into feature/7669_remove_plot_input_btns
Fix to stop showing error on first load in ConvFit.

Refs #7669
More consistent error checking across tabs.

Refs #7669
Merge remote-tracking branch 'origin/feature/7669_remove_plot_input_btns'