qml: cut down on inline components for performance

quickshell/Modals/WindowRuleInputField.qml

@@ -0,0 +1,17 @@
+import QtQuick
+import qs.Common
+
+Rectangle {
+    id: inputFieldRect
+
+    default property alias contentData: inputFieldRect.data
+    property bool hasFocus: false
+    property int fieldHeight: Theme.fontSizeMedium + Theme.spacingL * 2
+
+    width: parent.width
+    height: fieldHeight
+    radius: Theme.cornerRadius
+    color: Theme.surfaceHover
+    border.color: hasFocus ? Theme.primary : Theme.outlineStrong
+    border.width: hasFocus ? 2 : 1
+}