feat: fontbuilder to streamline font styling

Modules/Launcher/Items/CalcItem.qml

@@ -40,7 +40,7 @@ Item {
 
 		MaterialIcon {
 			Layout.alignment: Qt.AlignVCenter
-			font.pointSize: Tokens.font.size.extraLarge
+			fontStyle: Tokens.font.icon.large
 			text: "function"
 		}
 
@@ -92,7 +92,7 @@ Item {
 				anchors.rightMargin: Tokens.spacing.small
 				anchors.verticalCenter: parent.verticalCenter
 				color: Colors.palette.m3onTertiary
-				font.pointSize: Tokens.font.size.normal
+				font: Tokens.font.body.medium
 				opacity: stateLayer.containsMouse ? 1 : 0
 				text: qsTr("Open in calculator")
 
@@ -108,7 +108,7 @@ Item {
 				anchors.rightMargin: Tokens.padding.small
 				anchors.verticalCenter: parent.verticalCenter
 				color: Colors.palette.m3onTertiary
-				font.pointSize: Tokens.font.size.large
+				fontStyle: Tokens.font.icon.medium
 				text: "open_in_new"
 			}
 		}