[idea plugin] convert CircletIcons.kt to object
[idea plugin] convert CircletIcons.kt to object

GitOrigin-RevId: 534931b0e06665c00794071045204156ae00bddf
allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community