fix: gitflow.initialized must be true when using git-flow-next

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Models/GitFlow.cs

@@ -36,7 +36,9 @@ public void Parse(Dictionary<string, string> config)
             HotfixPrefix = string.Empty;
 
             // Try to parse `git-flow-next` style configuration first if the `git-flow-next` is installed.
-            if (Native.OS.GitFlowVersion == GitFlowVersion.Next)
+            if (Native.OS.GitFlowVersion == GitFlowVersion.Next &&
+                config.TryGetValue("gitflow.initialized", out var initialized) &&
+                initialized.Equals("true", StringComparison.OrdinalIgnoreCase))
             {
                 foreach (var kv in config)
                 {