Make canvas not eat key presses and releases

It steals them from the main window's tool switch functionality, causing
temporary tool switches to stop working.

ChangeLog

@@ -1,5 +1,6 @@
 Unreleased Version 2.2.2-pre
  * Feature: Color circle dock with gamut masks, available through View > Docks > Color Circle. Similar to Krita's Artistic Color Selector and MyPaint's HSV/HCY Wheel.
+ * Fix: Make temporary tool switches by holding a key down work again. Thanks 3rd_EFNO and bunnie for reporting.
 
 2024-11-06 Version 2.2.2-beta.4
  * Fix: Solve rendering glitches with selection outlines that happen on some systems. Thanks xxxx for reporting.

src/desktop/scene/canvasview.cpp

@@ -1541,7 +1541,6 @@ void CanvasView::keyPressEvent(QKeyEvent *event)
 		return;
 	}
 
-	event->accept();
 	m_keysDown.insert(Qt::Key(event->key()));
 
 	if(m_dragmode == ViewDragMode::Started && m_dragButton != Qt::NoButton) {
@@ -1652,7 +1651,6 @@ void CanvasView::keyReleaseEvent(QKeyEvent *event)
 		return;
 	}
 
-	event->accept();
 	bool wasDragging = m_dragmode == ViewDragMode::Started;
 	if(wasDragging) {
 		CanvasShortcuts::Match dragMatch =

src/desktop/view/canvascontroller.cpp

@@ -766,7 +766,6 @@ void CanvasController::handleKeyPress(QKeyEvent *event)
 		return;
 	}
 
-	event->accept();
 	m_keysDown.insert(Qt::Key(key));
 
 	Qt::KeyboardModifiers modifiers = getKeyboardModifiers(event);
@@ -879,7 +878,6 @@ void CanvasController::handleKeyRelease(QKeyEvent *event)
 		return;
 	}
 
-	event->accept();
 	bool wasDragging = m_dragMode == ViewDragMode::Started;
 	if(wasDragging) {
 		CanvasShortcuts::Match dragMatch =