qml: add check mark to OptionButton control

This does away with a loadable detail and places a check mark icon in
it's place.

Github-Pull: #205
Rebased-From: 2c8ac00

Author: jarolrod

src/qml/BitcoinApp/Components/ConnectionOptions.qml

@@ -31,13 +31,5 @@ ColumnLayout {
         ButtonGroup.group: group
         text: qsTr("Only when on Wi-Fi")
         description: qsTr("Loads quickly when on wi-fi and pauses when on cellular data.")
-        detail: ProgressIndicator {
-            implicitWidth: 50
-            SequentialAnimation on progress {
-                loops: Animation.Infinite
-                SmoothedAnimation { to: 1; velocity: 1; }
-                SmoothedAnimation { to: 0; velocity: 1; }
-            }
-        }
     }
 }

src/qml/BitcoinApp/Components/StorageOptions.qml

@@ -19,19 +19,11 @@ ColumnLayout {
         description: qsTr("Uses about 2GB.")
         recommended: true
         checked: true
-        detail: ProgressIndicator {
-            implicitWidth: 75
-            progress: 0.25
-        }
     }
     OptionButton {
         Layout.fillWidth: true
         ButtonGroup.group: group
         text: qsTr("Default")
         description: qsTr("Uses about 423GB.")
-        detail: ProgressIndicator {
-            implicitWidth: 75
-            progress: 0.8
-        }
     }
 }

src/qml/BitcoinApp/Controls/OptionButton.qml

@@ -12,7 +12,6 @@ Button {
     id: button
     padding: 15
     checkable: true
-    property alias detail: detail_loader.sourceComponent
     implicitWidth: 450
     background: Rectangle {
         border.width: 1
@@ -67,7 +66,15 @@ Button {
         }
         Loader {
             id: detail_loader
-            visible: item
+            visible: button.checked
+            active: true
+            sourceComponent: Button {
+                icon.source: "image://images/check"
+                icon.color: Theme.color.neutral9
+                icon.height: 24
+                icon.width: 24
+                background: null
+            }
         }
     }
 }