fix ui tests: close modal via escape, scheduler settings

- Remove Task 5/6 from docs (tests now fixed)
- Close Settings Modal Via Escape: click focus + sleep before Escape key
- Edit Scheduler Settings: use checkbox-custom selector
- Disable Scheduler: use force=True on checkbox id

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

tests/robot/ui/settings_modal.robot

@@ -40,7 +40,9 @@ Close Settings Modal Via Overlay
 Close Settings Modal Via Escape
     [Documentation]    Press Escape and verify the modal closes.
     Open Settings Modal
-    Press Keys    id=config-modal    Escape
+    Click    id=config-modal
+    Sleep    300ms
+    Press Keys    None    Escape
     Wait For Elements State    id=config-modal    hidden    timeout=3s
     Element Should Be Hidden    id=config-modal
 
@@ -60,7 +62,7 @@ Edit General Settings
 Edit Scheduler Settings
     [Documentation]    Toggle scheduler enabled and change time/days.
     Open Settings Modal
-    Check Checkbox    id=scheduled-rescan-enabled
+    Click    css=#scheduled-rescan-enabled ~ .checkbox-custom
     Fill Text    id=scheduled-rescan-time    04:30
     Save Settings
     Toast Should Contain    saved
@@ -68,7 +70,7 @@ Edit Scheduler Settings
 Disable Scheduler
     [Documentation]    Uncheck scheduler enabled and save.
     Open Settings Modal
-    Click    xpath=//label[contains(., 'Enable Scheduler')]
+    Uncheck Checkbox    id=scheduled-rescan-enabled    force=True
     Save Settings
     Toast Should Contain    saved