Use getCombosByDependencyStrings in ProfileUtils

The recently added helper is more suitable for the use case. This also
means the implementation doesn't depend on ThunderstoreMod containing
references to all related ThunderstoreVersions anymore - a change we
want to introduce to reduce the apps memory footprint.

Author: anttimaki

src/model/exports/ExportMod.ts

@@ -43,6 +43,10 @@ export default class ExportMod {
         return this.version;
     }
 
+    public getDependencyString(): string {
+        return `${this.name}-${this.version}`;
+    }
+
     public isEnabled(): boolean {
         return this.enabled;
     }

src/utils/ProfileUtils.ts

@@ -17,21 +17,8 @@ import * as PackageDb from '../r2mm/manager/PackageDexieStore';
 import ProfileModList from "../r2mm/mods/ProfileModList";
 
 export async function exportModsToCombos(exportMods: ExportMod[], community: string): Promise<ThunderstoreCombo[]> {
-    const tsMods = await PackageDb.getPackagesByNames(community, exportMods.map((m) => m.getName()));
-
-    const combos = tsMods.map((tsMod) => {
-        const targetMod = exportMods.find((expMod) => tsMod.getFullName() == expMod.getName());
-        const version = targetMod
-            ? tsMod.getVersions().find((ver) => ver.getVersionNumber().isEqualTo(targetMod.getVersionNumber()))
-            : undefined;
-
-        if (version) {
-            const combo = new ThunderstoreCombo();
-            combo.setMod(tsMod);
-            combo.setVersion(version);
-            return combo;
-        }
-    }).filter((combo): combo is ThunderstoreCombo => combo !== undefined);
+    const dependencyStrings = exportMods.map((m) => m.getDependencyString());
+    const combos = await PackageDb.getCombosByDependencyStrings(community, dependencyStrings);
 
     if (combos.length === 0) {
         throw new R2Error(