fix: tweak primary, secondary, ghost buttons

AppGhostButton.qml

@@ -13,7 +13,7 @@ Button {
         implicitWidth: 100
         implicitHeight: 40
         visible: !control.flat || control.down || control.checked || control.highlighted
-        color: control.down ? "transparent" : Theme.card
+        color: control.down ? Theme.card : "transparent"
         border.width: 0
         // custom
         radius: Theme.radius

AppPrimaryButton.qml

@@ -8,6 +8,17 @@ Button {
     font.family: Fonts.dotrice
     font.bold: true
 
+    contentItem: IconLabel {
+      spacing: control.spacing
+      mirrored: control.mirrored
+      display: control.display
+
+      icon: control.icon
+      text: control.text
+      font: control.font
+      color: "#FFFFFF"
+    }
+
     background: Rectangle {
         // NOTE: copied from ~/Qt/6.8.3/macos/qml/QtQuick/Controls/Basic/Button.qml
         implicitWidth: 100

AppSecondaryButton.qml

@@ -8,6 +8,17 @@ Button {
     font.family: Fonts.dotrice
     font.bold: true
 
+    contentItem: IconLabel {
+      spacing: control.spacing
+      mirrored: control.mirrored
+      display: control.display
+
+      icon: control.icon
+      text: control.text
+      font: control.font
+      color: Theme.foreground
+    }
+
     background: Rectangle {
         // NOTE: copied from ~/Qt/6.8.3/macos/qml/QtQuick/Controls/Basic/Button.qml
         implicitWidth: 100