Migrated settings storage to workspace.xml with support for legacy mi…#2607

VitaliyBoyko merged 3 commits intomagento:5.4.0-developmagento/magento2-phpstorm-plugin:5.4.0-developfrom

vitaliyboykocontributor:2558-com.intellij.openapi.diagnostic.RuntimeExceptionWithAttachments-java.lang.Throwablevitaliyboykocontributor/magento2-phpstorm-plugin:2558-com.intellij.openapi.diagnostic.RuntimeExceptionWithAttachments-java.lang.ThrowableCopy head branch name to clipboard