CoreWM: Fix wrong calculation window max size when panel is on bottom (Fixes #419)
CoreWM: Fix wrong calculation window max size when panel is on bottom (Fixes #419)

andersevenrud/OS.js-v2,omet-ca/omet-desktop,Rxswyers/OS.js,andersevenrud/OS.js-v2,omet-ca/omet-desktop,omet-ca/omet-desktop,Rxswyers/OS.js,salman-kamkoriwala/OsJsSample,andersevenrud/OS.js-v2,salman-kamkoriwala/OsJsSample,omet-ca/omet-desktop,andersevenrud/OS.js-v2,salman-kamkoriwala/OsJsSample,omet-ca/omet-desktop,salman-kamkoriwala/OsJsSample,salman-kamkoriwala/OsJsSample,Rxswyers/OS.js,Rxswyers/OS.js,Rxswyers/OS.js,andersevenrud/OS.js-v2