checkbox: add opacity 0.5 when it's disabled

[ChengYanJin]

Component: Checkbox

Description:

Design:

---

Closes: #ISSUE_NUMBER

[bert-e]

Hello chengyanjin,

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[bert-e]

Waiting for approval

The following approvals are needed before I can proceed with the merge:

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• one peer

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• @MonPote

• @nicolas2bert

• @hervedombya

• @ChengYanJin

• @rachedbenmustapha

• @JBWatenbergScality

[ChengYanJin]

/approve

[bert-e]

Waiting for approval

The following approvals are needed before I can proceed with the merge:

• the author

• one peer

Peer approvals must include at least 1 approval from the following list:

• @MonPote

• @nicolas2bert

• @hervedombya

• @ChengYanJin

• @rachedbenmustapha

• @JBWatenbergScality

The following options are set: approve

[bert-e]

Waiting for approval

The following approvals are needed before I can proceed with the merge:

• the author

• one peer

Peer approvals must include at least 1 approval from the following list:

• @ChengYanJin

• @rachedbenmustapha

• @nicolas2bert

• @JBWatenbergScality

• @MonPote

• @hervedombya

The following options are set: approve

[JBWatenbergScality]

What a perfect checkbox

[bert-e]

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• ✔️ development/1.0

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The following options are set: approve

[bert-e]

I have successfully merged the changeset of this pull request
into targetted development branches:

• ✔️ development/1.0

Please check the status of the associated issue None.

Goodbye chengyanjin.