Refactor PageLoader show methods

Also lets the chat page recycling work with showPrevious() (ctrl+tab)

src/gui/MainPane/AccountContextMenu.qml

@@ -111,7 +111,8 @@ HMenu {
         text: qsTr("Account settings")
         onTriggered: {
             pageLoader.showPage(
-                "AccountSettings/AccountSettings", { "userId": userId },
+                "Pages/AccountSettings/AccountSettings.qml",
+                { "userId": userId },
             )
             wentToAccountPage()
         }
@@ -121,7 +122,7 @@ HMenu {
         icon.name: "menu-add-chat"
         text: qsTr("Add new chat")
         onTriggered: {
-            pageLoader.showPage("AddChat/AddChat", {userId: userId})
+            pageLoader.showPage("Pages/AddChat/AddChat.qml", {userId: userId})
             wentToAccountPage()
         }
     }

src/gui/MainPane/AccountDelegate.qml

@@ -146,7 +146,9 @@ HTile {
             backgroundColor: "transparent"
             toolTip.text: qsTr("Add new chat")
             onClicked: {
-                pageLoader.showPage("AddChat/AddChat", {userId: model.id})
+                pageLoader.showPage(
+                    "Pages/AddChat/AddChat.qml", {userId: model.id},
+                )
                 account.wentToAccountPage()
             }
 

src/gui/MainPane/BottomBar.qml

@@ -24,7 +24,7 @@ Rectangle {
             toolTip.text: qsTr("Add another account")
             backgroundColor: theme.mainPane.bottomBar.settingsButtonBackground
             onClicked: {
-                pageLoader.showPage("AddAccount/AddAccount")
+                pageLoader.showPage("Pages/AddAccount/AddAccount.qml")
                 roomList.startCorrectItemSearch()
             }
 

src/gui/MainPane/RoomList.qml

@@ -62,7 +62,7 @@ HListView {
 
         item.type === "Account" ?
         pageLoader.showPage(
-            "AccountSettings/AccountSettings", { "userId": item.id }
+            "Pages/AccountSettings/AccountSettings.qml", { "userId": item.id },
         ) :
         pageLoader.showRoom(item.for_account, item.id)