[*] Change DapText interface and logic

[*] Change model handler of ComboBox

widgets/DapText.qml

@@ -2,7 +2,7 @@ import QtQuick 2.4
 
 DapTextForm 
 {
-    width: parent.width
+    textMetric.elideWidth: width
 
     //Text eliding is available only after full item boot
     //with all metrics - to delete binding loop

widgets/DapTextForm.ui.qml

@@ -28,7 +28,6 @@ TextInput
         id: dapTextInputTextMetric
         font: parent.font
         elide: textElide
-        elideWidth: parent.width
         text: fullText
     }