Add escape to exit and clear room filter field

TODO.md

@@ -26,7 +26,6 @@
   - Verify big avatars aren't downloaded uselessly
 
 - UI
-  - Esc in sidepane to focus chat again
   - Set an explicit placeholder text color for text field/area
   - Change typing bar background
   - Show error if uploading avatar fails or file is corrupted

src/python/config_files.py

@@ -106,6 +106,7 @@ class UISettings(JSONConfigFile):
         return {
             "alertOnMessageForMsec": 4000,
             "clearRoomFilterOnEnter": True,
+            "clearRoomFilterOnEscape": True,
             "theme": "Default.qpl",
             "writeAliases": {},
             "keys": {

src/qml/SidePane/SidePane.qml

@@ -95,6 +95,12 @@ Rectangle {
 
         sidePaneList.activate()
     }
+    Keys.onEscapePressed: {
+        if (window.settings.clearRoomFilterOnEscape) {
+            mainUI.sidePane.toolBar.roomFilter = ""
+        }
+        mainUI.pageLoader.forceActiveFocus()
+    }
 
 
     HColumnLayout {