fix(tools): forge libraries erasing themselves

This was due to a side effect of our de-doubling algorithm
Port of:
https://github.com/PojavLauncherTeam/PojavLauncher/commit/5656176c950b9
50271221436700777196233b31f

JavaApp/src/main/java/net/kdt/pojavlaunch/Tools.java

@@ -341,30 +341,33 @@ createLibraryInfo(libItem);
                              "releaseTime", "time", "type"
                              );
 
-                List<DependentLibrary> libList = new ArrayList<DependentLibrary>(Arrays.asList(inheritsVer.libraries));
-                try {
-                    loop_1:
-                    for (DependentLibrary lib : customVer.libraries) {
-                        String libName = lib.name.substring(0, lib.name.lastIndexOf(":"));
-                        for (int i = 0; i < libList.size(); i++) {
-                            DependentLibrary libAdded = libList.get(i);
-                            String libAddedName = libAdded.name.substring(0, libAdded.name.lastIndexOf(":"));
-                            
-                            if (!libAdded.name.equals(lib.name) && libAddedName.equals(libName)) {
-                                System.out.println("Library " + libName + ": Replaced version " +
-                                    libAdded.name.substring(libAddedName.length() + 1) + " with " +
-                                    lib.name.substring(libName.length() + 1));
-                                libList.set(i, lib);
-                                libName = null;
-                            }
-                        }
+                // Go through the libraries, remove the ones overridden by the custom version
+                List<DependentLibrary> inheritLibraryList = new ArrayList<>(Arrays.asList(inheritsVer.libraries));
+                outer_loop:
+                for(DependentLibrary library : customVer.libraries){
+                    // Clean libraries overridden by the custom version
+                    String libName = library.name.substring(0, library.name.lastIndexOf(":"));
 
-                        if (libName != null) libList.add(0, lib);
+                    for(DependentLibrary inheritLibrary : inheritLibraryList) {
+                        String inheritLibName = inheritLibrary.name.substring(0, inheritLibrary.name.lastIndexOf(":"));
+
+                        if(libName.equals(inheritLibName)){
+                            System.out.println("Library " + libName + ": Replaced version " +
+                                    libName.substring(libName.lastIndexOf(":") + 1) + " with " +
+                                    inheritLibName.substring(inheritLibName.lastIndexOf(":") + 1));
+
+                            // Remove the library , superseded by the overriding libs
+                            inheritLibraryList.remove(inheritLibrary);
+                            continue outer_loop;
+                        }
                     }
-                } finally {
-                    inheritsVer.libraries = libList.toArray(new DependentLibrary[0]);
                 }
 
+                // Fuse libraries
+                inheritLibraryList.addAll(Arrays.asList(customVer.libraries));
+                inheritsVer.libraries = inheritLibraryList.toArray(new DependentLibrary[0]);
+                preProcessLibraries(inheritsVer.libraries);
+
                 // Inheriting Minecraft 1.13+ with append custom args
                 if (inheritsVer.arguments != null && customVer.arguments != null) {
                     List totalArgList = new ArrayList();