feat: increase height in both creation & editing windows

Author: Xiphereal

Desktop/App.xaml

@@ -14,6 +14,8 @@
             <Thickness x:Key="SmallMarginAtTop">0,10,0,0</Thickness>
             <Thickness x:Key="BigMarginAtTop">0,40,0,0</Thickness>
             <sys:Double x:Key="DescriptionTextBoxHeight">75</sys:Double>
+            <sys:Double x:Key="PopupWindowHeight">300</sys:Double>
+            <sys:Double x:Key="PopupWindowWidth">400</sys:Double>
         </ResourceDictionary>
     </Application.Resources>
 </Application>

Desktop/Tasks/TaskCreation.xaml

@@ -6,7 +6,7 @@
         xmlns:converters="clr-namespace:Desktop.Tasks.Converters"
         mc:Ignorable="d"
         x:Name="TaskCreationWindow"
-        Title="Task creation" Height="250" Width="400"
+        Title="Task creation" Height="{StaticResource PopupWindowHeight}" Width="{StaticResource PopupWindowWidth}"
         WindowStartupLocation="CenterScreen">
     <Window.Resources>
         <converters:SaveCommandConverter x:Key="SaveCommandConverter" />

Desktop/Tasks/TaskEditing.xaml

@@ -4,7 +4,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         mc:Ignorable="d"
-        Title="TaskEditing" Height="250" Width="400"
+        Title="TaskEditing" Height="{StaticResource PopupWindowHeight}" Width="{StaticResource PopupWindowWidth}"
         WindowStartupLocation="CenterScreen">
     <Grid Margin="{StaticResource DefaultMargin}">
         <StackPanel>