Corrected placeholder text, added missing inputs(video,images) and their tests to edit post feature present in Admin role.

[Anvita0305]

What kind of change does this PR introduce?
Bugfix

Issue Number:

Fixes #1477

Did you add tests for your changes?

Yes

Snapshots/Videos:

Screencast.from.23-01-24.07.39.47.PM.IST.webm

Summary

1. Initially the placeholder values were OrgPostCard.postTitle1 and OrgPostCard.information respectively. Corrected those in all the languages.
2. Initially there was no option for editing image and video after the post was created, add it.
3. Added relevant testing code

Does this PR introduce a breaking change?

No

Other information

Have you read the contributing guide?
Yes

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (83b1234) 97.10% compared to head (a741d4c) 96.25%.
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1483      +/-   ##
===========================================
- Coverage    97.10%   96.25%   -0.85%     
===========================================
  Files          133      133              
  Lines         3422     3422              
  Branches      1041     1041              
===========================================
- Hits          3323     3294      -29     
- Misses          94      123      +29     
  Partials         5        5              

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[Cioppolo14]

@noman2002 @tasneemkoushar Can you review this PR?

[noman2002]

Changes looks fine to me. Merge the latest code into this.

[palisadoes]

Please merge the latest upstream into this PR.

The tests should then all pass

[Anvita0305]

Hello @noman2002 @palisadoes I have merged the latest upstream in this PR. Can you please review it? Thanks!