Adding text/paragraph between images is very difficult

[AbhayVAshokan]

Ref: https://github.com/bigbinary/neeto-kb-web/issues/6166

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Users wont be able to get the cursor between images due to the caption.

https://alan-george-mathews.neetorecord.com/watch/4a32ee1f-2ca1-4b90-b037-4265da87b8cd

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Action items:

• [ ] Enter in caption should add a new line after the image and add focus to the line
• [ ] Using backspace should not focus on the caption (Can be done with up/down arrow or mouse clicks)