validate: copyLengthValidator()

in public/src/components/channelManagement/supportLandingPage/productsEditor.tsx [140:177]


                  validate: copyLengthValidator(116),
                })}
                error={!!errors.benefits?.[index]?.copy}
                helperText={errors.benefits?.[index]?.copy?.message}
                defaultValue={benefit.copy}
                onBlur={handleSubmit(onProductChange)}
                disabled={!editMode}
                fullWidth
              />
            </Grid>
            <Grid item xs={3}>
              <TextField
                label="Tooltip (optional)"
                name={`benefits[${index}].tooltip`}
                inputRef={register()}
                error={!!errors.benefits?.[index]?.tooltip}
                defaultValue={benefit.tooltip}
                onBlur={handleSubmit(onProductChange)}
                disabled={!editMode}
                fullWidth
              />
            </Grid>
            <Grid item xs={2}>
              <TextField
                label="Pill (optional)"
                name={`benefits[${index}].label.copy`}
                inputRef={register()}
                error={!!errors.benefits?.[index]?.label?.copy}
                defaultValue={benefit.label?.copy}
                onBlur={handleSubmit(onProductChange)}
                disabled={!editMode}
                fullWidth
              />
            </Grid>
            <Grid item xs={1}>
              <Button
                className={classes.deleteButton}
                onClick={() => {