Refactor global shortcuts, simplify debug consoles

- Move out all shortcuts from their central file to the component they
  actually belong to

- Get rid of DebugConsoleLoader and the multiple consoles handling mess,
  have only one global console

src/gui/ShortcutBundles/FlickShortcuts.qml

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+import QtQuick 2.12
+import "../Base"
+
+HQtObject {
+    property Item flickable: parent
+
+
+    HShortcut {
+        sequences: window.settings.keys.scrollUp
+        onActivated: utils.flickPages(flickable, -1 / 10)
+    }
+
+    HShortcut {
+        sequences: window.settings.keys.scrollDown
+        onActivated: utils.flickPages(flickable, 1 / 10)
+    }
+
+    HShortcut {
+        sequences: window.settings.keys.scrollPageUp
+        onActivated: utils.flickPages(flickable, -1)
+    }
+
+    HShortcut {
+        sequences: window.settings.keys.scrollPageDown
+        onActivated: utils.flickPages(flickable, 1)
+    }
+
+    HShortcut {
+        sequences: window.settings.keys.scrollToTop
+        onActivated: utils.flickToTop(flickable)
+    }
+
+    HShortcut {
+        sequences: window.settings.keys.scrollToBottom
+        onActivated: utils.flickToBottom(flickable)
+    }
+}

src/gui/ShortcutBundles/TabShortcuts.qml

@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+import QtQuick 2.12
+import "../Base"
+
+HQtObject {
+    property Item container: parent
+
+
+    HShortcut {
+        sequences: window.settings.keys.previousTab
+        onActivated: container.setCurrentIndex(
+            utils.numberWrapAt(container.currentIndex - 1, container.count),
+        )
+    }
+
+    HShortcut {
+        sequences: window.settings.keys.nextTab
+        onActivated: container.setCurrentIndex(
+            utils.numberWrapAt(container.currentIndex + 1, container.count),
+        )
+    }
+}