Fix setting empty remote when remote is already empty

Author: isc-etamarch

cls/SourceControl/Git/Utils.cls

@@ -3104,6 +3104,9 @@ ClassMethod SetConfiguredRemote(url) As %String
         remoteExists&&(url'=""): ##class(SourceControl.Git.Utils).RunGitCommandWithInput("remote",,.errStream,.outStream,"set-url","origin",url),
         'remoteExists&&(url'=""): ##class(SourceControl.Git.Utils).RunGitCommandWithInput("remote",,.errStream,.outStream,"add","origin",url),
         1: -1)
+    if (returnCode = -1) {
+        return ""
+    }
     if (returnCode '= 0) {
         $$$ThrowStatus($$$ERROR($$$GeneralError,"git reported failure"))
     }