Form editor: Fix reading and writing of color properties so that they do not trigger an overflow. Forms must be updated and recompiled!

[DEVELOPMENT ENVIRONMENT]
* BUG: Form editor: Fix reading and writing of color properties so that they do not trigger an overflow. Forms must be updated and recompiled!

app/src/gambas3/.src/Editor/Form/CControl.class

@@ -875,7 +875,7 @@ Private Function ConvertToString(vVal As Variant, hProp As CPropertyInfo) As Str
       If IsLong(vVal) Then
         sVal = Hex$(vVal, 8)
         If sVal Begins "00" Then sVal = Mid$(sVal, 3)
-        Return "&H" & sVal & "&"
+        Return "&H" & sVal
       Else
         Return vVal
       Endif

app/src/gambas3/.src/Editor/Form/FForm.class

@@ -440,6 +440,10 @@ Private Sub FromString(sData As String, Optional hParent As CControl) As String
           
         Else
 
+          If sValue Begins "&" And If sValue Ends "&" Then 
+            sValue = Left(sValue, -1)
+          Endif
+
           Try vValue = CInt(Val(sValue))
           If Not Error Then Goto SET_PROPERTY