Refactor theme primary color, Edit button position and fix popup cont…

…ent styling (ballerina-platform#6115)

* Fix popup content theme

* Refactor edit button and button primary color theme

* Add license to svg

* Update license header and remove comments

Merge pull request ballerina-platform#6068 from heygima/master

Fix retaining previous states in SQLQueryBuilder

[maven-release-plugin] copy for tag v0.970.0-alpha0

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