Plot Single Trial Figure not deleting after pop_subcomp() completion

[KCull887]

Description

'Plot single trials' figure not being deleted upon acceptance and completion for component removal during call to pop_subcomp()

#### Steps to Reproduce

1. Obtain .set file that has undergone ICA decomposition
2. Call pop_subcomp() providing data from step 1 as input with visualization turned on
3. Select 'Plot Single Trials' option
4. Select 'Accept' in main pop up

#### Expected behavior:

Expected plotted data figure to close

#### Actual behavior:

Single Trial data plotted figure remained after clicking 'Accept' and finishing component removal

#### Versions

OS version	Windows 10 19042.1889
Matlab version	R2021b
EEGLAB version	Eeglab 2021.0

[arnodelorme]

You the EEGPLOT figure when component are being removed. Good point. This is a feature more than a bug. The figure is non modal. But we will have a look.