Fix exception in getCommandName
Fix exception in getCommandName

Update common lib where the following change is applied:
Add toString() call before calling toLowerCase() to make sure the value is a string. This prevents exception when passed value is a number.

Fixes https://huboard.com/NativeScript/nativescript-cli#/issues/54850524

jbristowe/nativescript-cli,tsvetie/nativescript-cli,tsvetie/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli,NativeScript/nativescript-cli,lokilandon/nativescript-cli,jbristowe/nativescript-cli,e2l3n/nativescript-cli,e2l3n/nativescript-cli,NativeScript/nativescript-cli,NathanaelA/nativescript-cli,lokilandon/nativescript-cli,tsvetie/nativescript-cli,NathanaelA/nativescript-cli,jbristowe/nativescript-cli,NathanaelA/nativescript-cli,e2l3n/nativescript-cli,tsvetie/nativescript-cli,tsvetie/nativescript-cli,NativeScript/nativescript-cli,lokilandon/nativescript-cli