开启optimizeSize时压缩组件名称和路径

[mackwang112]

全局global属性名精简

global.__mpxGenericsMap -> global._gm
global.currentModuleId -> global._id
global.currentCtor -> global._ctor
global.currentCtorType -> global._ctorT
global.currentResourceType -> global._crt
global.currentSrcMode -> global._sm
global.currentInject -> global._i
global.currentInject.componentPath -> global._i.p
global.currentInject.componentsMap -> global._i.cm
global.currentInject.pageConfig -> global._i.pc