style(eslint): enable keyword-spacing rule

[Splaktar]

PR Checklist

Please check that your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added or this is not a bug fix / enhancement
• Docs have been added, updated, or were not required

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Enhancement
[ ] Documentation content changes
[x] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Our rules allow inconsistent spacing around keywords. We try to enforce this some through code reviews, but it leads to extra work by reviewers and contributors.

Issue Number:
N/A

What is the new behavior?

Enforce consistent spacing and all quick fixing.

This will cause an error: if(myVar){

This will pass linting: if (myVar) {

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information