Add UI for setting solution transfer amount (#4074)

* basic eui and window

* finish EUI, update defaults

* unnecessary usings

* convert to bounduserinterface

* merge me up

merge me up inside

* Fix repeated define for component in prototype

* impl swept UI suggestion

* apply discord reviews

* small changes

Content.Client/Chemistry/UI/TransferAmountWindow.xaml.cs

@@ -0,0 +1,19 @@
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+
+namespace Content.Client.Chemistry.UI
+{
+    [GenerateTypedNameReferences]
+    public partial class TransferAmountWindow : SS14Window
+    {
+        public Button applyButton => ApplyButton;
+        public LineEdit amountLineEdit => AmountLineEdit;
+
+        public TransferAmountWindow()
+        {
+            RobustXamlLoader.Load(this);
+        }
+    }
+}