fix: Updating file signatures for extended jpeg support

[kushthedude]

Fixes #3769
Fixes #3434

[kushthedude]

@maze-runnar Can you please test if it is working now ?

[niranjan94]

Here is an overview of what got changed by this pull request:

Complexity increasing per file
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- app/utils/file.js  2
         

See the complete overview on Codacy

[maze-runnar]

@kushthedude it's working , same image as previous . Now uploaded correctly :)

[kushthedude]

@codedsun Please verify and report .

…

On Mon, 6 Jan, 2020, 18:52 Sundaram Dubey, ***@***.***> wrote: it's working , same image as previous . Now uploaded correctyly :) [image: Screenshot from 2020-01-06 18-51-40] <https://user-images.githubusercontent.com/56407566/71820611-a2fe2580-30b5-11ea-822b-80a9c0bca06d.png> — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#3770?email_source=notifications&email_token=AKQMTLU7PDB2PW6A7RENKS3Q4MWB3A5CNFSM4KDEDDV2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEIFNRCY#issuecomment-571136139>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AKQMTLROQQ23IELXX2WSP43Q4MWB3ANCNFSM4KDEDDVQ> .