Improve HDrawer complience/behavior with zoom

TODO.md

@@ -1,7 +1,5 @@
 # TODO
 
-- Verify default size
-
 ## Media
 
 - nio ClientTimeout
@@ -12,7 +10,6 @@
 - Confirmation box after picking file to upload
 - Show real progression for mxc thumbnail loadings
 
-- Some way to show name and date on EventFile
 - Sentinel function to report download file path if already cached,
   without having to click & try downloading first
 - EventFile download UI & Save as... in context menu
@@ -46,7 +43,6 @@
 
 ## Issues
 
-- Room pane can't make thin enough when zoomed
 - `EventImage`s for `m.image` sometimes appear broken, can be made normal
   by switching to another room and coming back
 - First sent message in E2E room is sometimes undecryptable

src/gui/Base/HDrawer.qml

@@ -5,8 +5,8 @@ import QtQuick.Controls 2.12
 
 Drawer {
     id: drawer
-    implicitWidth: horizontal ? calculatedSize * theme.uiScale : parent.width
-    implicitHeight: vertical ? calculatedSize * theme.uiScale : parent.height
+    implicitWidth: horizontal ? calculatedSize : parent.width
+    implicitHeight: vertical ? calculatedSize : parent.height
 
     // Prevents this: open a popup, make the window small enough for the
     // drawer to collapse, then make it big again → popup is now behind drawer
@@ -37,7 +37,7 @@ Drawer {
 
     property alias color: bg.color
 
-    property int defaultSize: 300
+    property int defaultSize: 300 * theme.uiScale
 
     property int preferredSize:
         window.getState(this, "preferredSize", defaultSize)

src/gui/Pages/Chat/RoomPane/MemberDelegate.qml

@@ -41,6 +41,7 @@ HTileDelegate {
     Behavior on spacing { HNumberAnimation {} }
 
     Binding on spacing {
+        id: spacebind
         value: (roomPane.minimumSize - loadedImage.width) / 2
         when: loadedImage &&
               roomPane.width < loadedImage.width + theme.spacing * 2