Fix unregister modern context menu syntax error and remove concerning binaries during uninstallation

PowerEditor/installer/nppSetup.nsi

@@ -289,7 +289,7 @@ ${MementoSection} "Context Menu Entry" explorerContextMenu
 			File /oname=$INSTDIR\NppModernShell.msix "..\bin64\NppModernShell.msix"
 			File /oname=$INSTDIR\NppModernShell.dll "..\bin64\NppModernShell.dll"
 		!endif
-		Exec 'rundll32.exe"$INSTDIR\NppModernShell.dll,RegisterSparsePackage"'
+		Exec 'rundll32.exe "$INSTDIR\NppModernShell.dll",RegisterSparsePackage'
 
 		; Make sure old NppShell dll's are unregistered and removed
 		Exec 'regsvr32 /u /s "$INSTDIR\NppShell_01.dll"'

PowerEditor/installer/nsisInclude/uninstall.nsh

@@ -41,11 +41,13 @@ Function un.onUninstSuccess
 	RMDir "$INSTDIR\plugins\"
 	RMDir "$INSTDIR\updater\"
 	RMDir "$INSTDIR\autoCompletion\"
+	RMDir "$INSTDIR\functionList\"
+	RMDir "$INSTDIR\themes\"
 	RMDir "$INSTDIR\"
 
 	RMDir "$APPDATA\${APPNAME}\plugins\"
-	RMDir "$installPath\userDefineLangs\"
 	RMDir "$installPath\themes\"	; if files are kept because of $keepUserData, this will not be deleted
+	RMDir "$installPath\userDefineLangs\"
 	RMDir "$installPath\"
 FunctionEnd
 
@@ -70,7 +72,9 @@ Section un.explorerContextMenu
 	Delete "$INSTDIR\NppShell_05.dll"
 	Delete "$INSTDIR\NppShell_06.dll"
 	
-	Exec 'rundll32.exe"$INSTDIR\NppModernShell.dll,UnregisterSparsePackage"'
+	Exec 'rundll32.exe "$INSTDIR\NppModernShell.dll",UnregisterSparsePackage'
+	;Delete "$INSTDIR\NppModernShell.dll"
+	;Delete "$INSTDIR\NppModernShell.msix"
 	
  	ReadRegStr $muiVerbStrUn HKLM "SOFTWARE\Classes\*\shell\pintohome" MUIVerb
 	${UnStrStr} $nppSubStrUn $muiVerbStrUn "Notepad++"
@@ -301,6 +305,12 @@ Section Uninstall
 			SetShellVarContext all ; make context for all user
 	${endIf}
 	
+	; In order to not delete context menu binary before we unregistered it,
+	; we delete them at the end
+	Delete "$INSTDIR\NppModernShell.dll"
+	Delete "$INSTDIR\NppModernShell.msix"
+	
+	
 	; Remove remaining directories
 	RMDir /r "$INSTDIR\plugins\disabled\"
 	RMDir "$INSTDIR\plugins\APIs\"