facebook source pagination fix

[tarunKoyalwar]

Proposed Changes

• fix broken pagination in facebook source
• closes Facebook Source Pagination #936

Before

$  subfinder -d dell.com -s facebook -o dell.test       

               __    _____           __         
   _______  __/ /_  / __(_)___  ____/ /__  _____
  / ___/ / / / __ \/ /_/ / __ \/ __  / _ \/ ___/
 (__  ) /_/ / /_/ / __/ / / / / /_/ /  __/ /    
/____/\__,_/_.___/_/ /_/_/ /_/\__,_/\___/_/

		projectdiscovery.io

[INF] Current subfinder version v2.6.2 (latest)
[INF] Loading provider config from /Users/tarun/.config/subfinder/provider-config.yaml
[INF] Enumerating subdomains for dell.com
dk-cp.cloudstore.dell.com
qtest-stg-api02.gtie.dell.com
portalicorpapim.us.dell.com
blog.dell.com
gtm-app-dsp.us.dell.com
api-no2cn-p2-csb.dell.com
ctm.ins.dell.com
....redacted.....
[INF] Found 2775 subdomains for dell.com in 2 seconds 201 milliseconds

After

$ ./subfinder -d dell.com -s facebook -o dell.test   
               __    _____           __         
   _______  __/ /_  / __(_)___  ____/ /__  _____
  / ___/ / / / __ \/ /_/ / __ \/ __  / _ \/ ___/
 (__  ) /_/ / /_/ / __/ / / / / /_/ /  __/ /    
/____/\__,_/_.___/_/ /_/_/ /_/\__,_/\___/_/

		projectdiscovery.io

[INF] Current subfinder version v2.6.3-dev (development)
[INF] Loading provider config from /Users/tarun/.config/subfinder/provider-config.yaml
[INF] Enumerating subdomains for dell.com
si-int.dell.com
om3.dit2.osb.us.dell.com
rpe.us.dell.com
sscdev.dell.com
ausslaresdb01.us.dell.com
snnpwlyncowa101.lim.emea.dell.com
mfaplamgwbt05.us.dell.com
auspwechatcm02.aus.amer.dell.com
bgl5swvpnpgnet02-dmz.dell.com
auspwjchatpro05.aus.amer.dell.com
...redacted....
[INF] Found 12508 subdomains for dell.com in 22 seconds 354 milliseconds

[ehsandeep]

./subfinder -d dell.com -s facebook -silent | wc

12508

[dogancanbakir]

LGTM