Overview

1. This PR fixes or fixes part of NA
2. This PR does the following: Allows to upload image size larger than 1Kb till 1MB for blog.
   Also it fixes generating blog post summary string.

Essential Checklist

• The PR title starts with "Fix #bugnum: ", followed by a short, clear summary of the changes. (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
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Proof that changes are correct

RTEs other than Blog RTEs:

Allows images only till 100KB

Blog RTE:

Allows image till 1MB

Blog Post Card:
Before:

After:

Proof of changes on desktop with slow/throttled network

Proof of changes on mobile phone

Proof of changes in Arabic language

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