Same window size for all screens, fix check list size

src/main/resources/fxml/health_check_details.fxml

@@ -8,7 +8,6 @@
 <VBox xmlns:fx="http://javafx.com/fxml"
 	  xmlns="http://javafx.com/javafx"
 	  fx:controller="org.cryptomator.ui.health.CheckDetailController"
-	  prefWidth="500"
 	  spacing="6">
 	<FormattedLabel fx:id="checkTitle" styleClass="label-large" format="%health.check.detail.header" arg1="${controller.checkName}" contentDisplay="LEFT">
 		<graphic>

src/main/resources/fxml/health_check_list.fxml

@@ -27,13 +27,13 @@
 			<VBox minWidth="80" maxWidth="200" spacing="6" HBox.hgrow="ALWAYS" >
 				<Label fx:id="listHeading" text="%health.checkList.header"/>
 				<CheckBox onAction="#toggleSelectAll" text="%health.checkList.selectAllBox" visible="${!controller.mainRunStarted}" managed="${!controller.mainRunStarted}" />
-				<ListView fx:id="checksListView" VBox.vgrow="ALWAYS"/>
+				<ListView fx:id="checksListView" VBox.vgrow="ALWAYS" minWidth="150"/>
 			</VBox>
 			<StackPane visible="${controller.mainRunStarted}"  managed="${controller.mainRunStarted}" HBox.hgrow="ALWAYS">
 				<VBox minWidth="300" alignment="CENTER" visible="${!controller.anyCheckSelected}" managed="${!controller.anyCheckSelected}" >
 					<Label text="%health.check.detail.noSelectedCheck" wrapText="true" alignment="CENTER" />
 				</VBox>
-				<fx:include source="/fxml/health_check_details.fxml" visible="${controller.anyCheckSelected}" managed="${controller.anyCheckSelected}" />
+				<fx:include source="/fxml/health_check_details.fxml" visible="${controller.anyCheckSelected}" managed="${controller.anyCheckSelected}" maxWidth="450"/>
 			</StackPane>
 		</HBox>
 		<ButtonBar buttonMinWidth="120" buttonOrder="+CX">

src/main/resources/fxml/health_start.fxml

@@ -12,9 +12,8 @@
 <VBox xmlns:fx="http://javafx.com/fxml"
 	  xmlns="http://javafx.com/javafx"
 	  fx:controller="org.cryptomator.ui.health.StartController"
-	  minWidth="400"
-	  maxWidth="400"
-	  minHeight="145"
+	  prefWidth="600"
+	  prefHeight="400"
 	  spacing="12">
 	<padding>
 		<Insets topRightBottomLeft="12"/>

src/main/resources/fxml/health_start_fail.fxml

@@ -5,9 +5,8 @@
 <VBox xmlns="http://javafx.com/javafx"
 	  xmlns:fx="http://javafx.com/fxml"
 	  fx:controller="org.cryptomator.ui.health.StartFailController"
-	  minWidth="400"
-	  maxWidth="400"
-	  minHeight="145"
+	  prefWidth="600"
+	  prefHeight="400"
 	  spacing="12">
 
 	<Label text="TODO: Error on loading" />