LB-1159: As an editor, I want to hide SMS posts

Fixed the view hidden toggle problem
Merge pull request #453 from ioanpocol/citizen

LB-1172
LB-1159: As an editor, I want to hide SMS posts

Fixed the view hidden toggle problem
Merge pull request #454 from ioanpocol/citizen

LB-1159 :
Merge pull request #452 from vladnicoara/cit-sms

LB-1159: As an editor, I want to hide SMS posts
LB-1219: Different button behavior for show hidden posts in sms and chain

Moved the new delete/undo delete in a new block and replaced the old
code, Nikola still needs to fix a bit of css
Merge branch 'cit-sms' of https://github.com/vladnicoara/Superdesk into cit-sms
Merge pull request #455 from vladnicoara/cit-sms

LB-1219: Different button behavior for show hidden posts in sms and chain
LB-1193
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Posts from chained blogs are arriving to normal posts and comments sections instead of chained blog section

Changd the query for own posts that is used on edit source