added cell background of empty rows

[haojin111]

Description

When apply cell background of table property, it should be applied to empty row's cells.

Fixes #2868

if no issue exists, please create an issue and ask the maintainers about this first

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please refer attached issue

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Test coverage results 🧪

🔴 Total coverage has decreased

// Code coverage diff between base branch:release and head branch: FIX/2868-issue-of-adding-background-table 

Status	File	% Stmts	% Branch	% Funcs	% Lines
🔴	total	51.7 (0)	33.62 (-0.02)	29.55 (0)	52.35 (-0.01)
🔴	app/client/src/components/designSystems/appsmith/TableComponent/TableUtilities.tsx	38.02 (-0.96)	16.85 (-2.14)	9.38 (0)	36.04 (-1)

[somangshu]

Hey @riodeuno , Saw this was in the icebox and still got picked up. Can you please take a look at this to see if it looks right, I am not sure why this moved into the iceBox into the first place

[riodeuno]

@somangshu This was reprioritised to a lower priority deferring to other issues, which were more critical at the time.
@haojin111 Thanks a lot for picking this up! The code looks fine to me. Tested this update on the deploy preview as well.