Wifi QR code generation (requires testing) (#1794)

* fix: add mockery v2 to nix flake pkgs

* feat: add requests for generating wifi qr codes as png files in /tmp, and to delete them later. only supports NetworkManager backend for now.

* feat: add modal for sharing wifi via qr code and saving the code as png file.

* fix: uncomment QR code file deletion

* network: light refactor and cleanup for QR code generation

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Co-authored-by: bbedward <bbedward@gmail.com>

quickshell/Services/PopoutService.qml

@@ -31,6 +31,8 @@ Singleton {
     property var notificationModal: null
     property var wifiPasswordModal: null
     property var wifiPasswordModalLoader: null
+    property var wifiQRCodeModal: null
+    property var wifiQRCodeModalLoader: null
     property var polkitAuthModal: null
     property var polkitAuthModalLoader: null
     property var bluetoothPairingModal: null
@@ -581,6 +583,13 @@ Singleton {
             wifiPasswordModal.show(ssid);
     }
 
+    function showWifiQRCodeModal(ssid) {
+        if (wifiQRCodeModalLoader)
+            wifiQRCodeModalLoader.active = true;
+        if (wifiQRCodeModal)
+            wifiQRCodeModal.show(ssid);
+    }
+
     function showHiddenNetworkModal() {
         if (wifiPasswordModalLoader)
             wifiPasswordModalLoader.active = true;