Move popups to their own folder

src/qml/Chat/ClearMessagesPopup.qml

@@ -1,18 +0,0 @@
-import QtQuick 2.12
-import "../Base"
-
-HBoxPopup {
-    summary.text: qsTr("Clear this room's messages?")
-    details.text: qsTr(
-        "The messages will only be removed on your side. " +
-        "They will be available again after you restart the application."
-    )
-    okText: qsTr("Clear")
-    box.focusButton: "ok"
-
-    onOk: py.callClientCoro(userId, "clear_events", [roomId])
-
-
-    property string userId: ""
-    property string roomId: ""
-}

src/qml/Chat/Timeline/EventDelegate.qml

@@ -128,7 +128,7 @@ Column {
             icon.name: "clear-messages"
             text: qsTr("Clear messages")
             onTriggered: Utils.makePopup(
-                "Chat/ClearMessagesPopup.qml",
+                "Popups/ClearMessagesPopup.qml",
                 chatPage,
                 {userId: chatPage.userId, roomId: chatPage.roomId},
             )