CustomElementConstructor: should be construct signature (#36030)
CustomElementConstructor: should be construct signature (#36030)

Was previously incorrectly a call signature. Had to override it
manually.
nojvek/TypeScript,kitsonk/TypeScript,weswigham/TypeScript,kitsonk/TypeScript,RyanCavanaugh/TypeScript,SaschaNaz/TypeScript,RyanCavanaugh/TypeScript,SaschaNaz/TypeScript,nojvek/TypeScript,alexeagle/TypeScript,weswigham/TypeScript,microsoft/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,kpreisser/TypeScript,Microsoft/TypeScript,minestarks/TypeScript,Microsoft/TypeScript,RyanCavanaugh/TypeScript,SaschaNaz/TypeScript,weswigham/TypeScript,nojvek/TypeScript,kpreisser/TypeScript,microsoft/TypeScript,microsoft/TypeScript,minestarks/TypeScript,alexeagle/TypeScript,kitsonk/TypeScript,nojvek/TypeScript,minestarks/TypeScript,Microsoft/TypeScript,alexeagle/TypeScript