quickshell: fix qml null safety and monitor property errors

.config/quickshell/ii/modules/bar/ActiveWindow.qml

@@ -14,8 +14,8 @@ Item {
     readonly property Toplevel activeWindow: ToplevelManager.activeToplevel
 
     property string activeWindowAddress: `0x${activeWindow?.HyprlandToplevel?.address}`
-    property bool focusingThisMonitor: HyprlandData.activeWorkspace.monitor == monitor.name
-    property var biggestWindow: HyprlandData.biggestWindowForWorkspace(HyprlandData.monitors[root.monitor.id]?.activeWorkspace.id)
+    property bool focusingThisMonitor: HyprlandData.activeWorkspace?.monitor == monitor?.name
+    property var biggestWindow: HyprlandData.biggestWindowForWorkspace(HyprlandData.monitors[root.monitor?.id]?.activeWorkspace.id)
 
     implicitWidth: colLayout.implicitWidth
 
@@ -45,7 +45,7 @@ Item {
             elide: Text.ElideRight
             text: root.focusingThisMonitor && root.activeWindow?.activated && root.biggestWindow ? 
                 root.activeWindow?.title :
-                (root.biggestWindow?.title) ?? `${Translation.tr("Workspace")} ${monitor.activeWorkspace?.id}`
+                (root.biggestWindow?.title) ?? `${Translation.tr("Workspace")} ${monitor?.activeWorkspace?.id ?? 1}`
         }
 
     }

.config/quickshell/ii/modules/bar/weather/WeatherBar.qml

@@ -21,7 +21,7 @@ MouseArea {
         
         MaterialSymbol {
             fill: 0
-            text: WeatherIcons.codeToName[Weather.data.wCode]
+            text: WeatherIcons.codeToName[Weather.data?.wCode] ?? "question_mark"
             iconSize: Appearance.font.pixelSize.large
             color: Appearance.colors.colOnLayer1
             Layout.alignment: Qt.AlignVCenter
@@ -31,7 +31,7 @@ MouseArea {
             visible: true
             font.pixelSize: Appearance.font.pixelSize.small
             color: Appearance.colors.colOnLayer1
-            text: Weather.data.temp
+            text: Weather.data?.temp ?? "--°"
             Layout.alignment: Qt.AlignVCenter
         }
     }