Sticky columns issue with rowspan

[StylianosKoidakisSage]

Current behaviour

When we try to make sticky a column that has sub columns headers , there are some functional and ui issues on the sub columns headers

Expected behaviour

it should be sticky and work as a normal cell

CodeSandbox or Storybook URL

https://codesandbox.io/s/pedantic-christian-ojsnbu?file=/src/index.js:1097-1131

JIRA Ticket (Sage Only)

No response

Suggested Solution

No response

Carbon Version

101.0.2

Design Tokens Version

No response

What browsers are you seeing the problem on?

Chrome

What Operating System are you seeing the problem on?

MacOS

Anything else we should know?

No response

Confidentiality

• [X] I confirm there is no confidential or commercially sensitive information included.

[DipperTheDan]

FE-5203

[stale[bot]]

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