refactor: move url creation for mods to modplatform/

Moves all things related to creating the URLs of the mod platforms
that go to network tasks to a single place, so that:

1. Maintaining and fixing eventual issues is more straightforward.
2. Makes it possible to factor out more common code between the
   different modplatform pages

launcher/ui/pages/modplatform/flame/FlameModModel.cpp

@@ -1,6 +1,5 @@
 #include "FlameModModel.h"
 #include "FlameModPage.h"
-#include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
 
 #include <Json.h>
@@ -11,41 +10,6 @@ ListModel::ListModel(FlameModPage* parent) : ModPlatform::ListModel(parent) {}
 
 ListModel::~ListModel() {}
 
-const char* sorts[6]{ "Featured", "Popularity", "LastUpdated", "Name", "Author", "TotalDownloads" };
-
-void ListModel::performPaginatedSearch()
-{
-    QString mcVersion = ((MinecraftInstance*)((FlameModPage*)parent())->m_instance)->getPackProfile()->getComponentVersion("net.minecraft");
-    bool hasFabric = !((MinecraftInstance*)((FlameModPage*)parent())->m_instance)
-                          ->getPackProfile()
-                          ->getComponentVersion("net.fabricmc.fabric-loader")
-                          .isEmpty();
-    auto netJob = new NetJob("Flame::Search", APPLICATION->network());
-    auto searchUrl = QString(
-        "https://addons-ecs.forgesvc.net/api/v2/addon/search?"
-        "gameId=432&"
-        "categoryId=0&"
-        "sectionId=6&"
-
-        "index=%1&"
-        "pageSize=25&"
-        "searchFilter=%2&"
-        "sort=%3&"
-        "modLoaderType=%4&"
-        "gameVersion=%5")
-            .arg(nextSearchOffset)
-            .arg(currentSearchTerm)
-            .arg(sorts[currentSort])
-            .arg(hasFabric ? 4 : 1)  // Enum: https://docs.curseforge.com/?http#tocS_ModLoaderType
-            .arg(mcVersion);
-
-    netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
-    jobPtr = netJob;
-    jobPtr->start();
-
-    QObject::connect(netJob, &NetJob::succeeded, this, &FlameMod::ListModel::searchRequestFinished);
-    QObject::connect(netJob, &NetJob::failed, this, &ListModel::searchRequestFailed);
-}
 
 void FlameMod::ListModel::searchRequestFinished()
 {
@@ -87,4 +51,11 @@ void FlameMod::ListModel::searchRequestFinished()
     endInsertRows();
 }
 
+const char* sorts[6]{ "Featured", "Popularity", "LastUpdated", "Name", "Author", "TotalDownloads" };
+
+const char** FlameMod::ListModel::getSorts() const
+{
+    return sorts;
+}
+
 }  // namespace FlameMod