Support `filters` and `details` in `aeExplorer`.

[samussiah]

Pass filters and details via ... to aeExplorer:

aeExplorer(
    filters = c(
        'Severity' = 'AESEV',
        'Relationship' = 'AEREL',
        'Serious?' = 'AESER'
    ),
    details = names(safetyData::sdtm_ae) %>%
        .[ grepl('S', .) ] %>% # columns that contain an "S"
        setNames(sub('^AE', 'Adverse Event: ', .)) # Replace prefix of "AE" with "Adverse Event: "
)