feat: create custom spinner implementation

app/src/main/java/com/viscouspot/gitsync/ui/NDSpinner.kt

@@ -0,0 +1,43 @@
+package com.viscouspot.gitsync.ui
+
+import android.content.Context
+import android.util.AttributeSet
+import android.widget.Spinner
+
+
+/** Spinner extension that calls onItemSelected even when the selection is the same as its previous value  */
+class NDSpinner : androidx.appcompat.widget.AppCompatSpinner {
+    constructor(context: Context) : super(context)
+
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
+
+    constructor(context: Context, attrs: AttributeSet?, defStyle: Int) : super(
+        context,
+        attrs,
+        defStyle
+    )
+
+    override fun setSelection(position: Int, animate: Boolean) {
+        val sameSelected = position == selectedItemPosition
+        super.setSelection(position, animate)
+        if (sameSelected) {
+            // Spinner does not call the OnItemSelectedListener if the same item is selected, so do it manually now
+            onItemSelectedListener!!.onItemSelected(
+                this,
+                selectedView, position, selectedItemId
+            )
+        }
+    }
+
+    override fun setSelection(position: Int) {
+        val sameSelected = position == selectedItemPosition
+        super.setSelection(position)
+        if (sameSelected) {
+            // Spinner does not call the OnItemSelectedListener if the same item is selected, so do it manually now
+            onItemSelectedListener!!.onItemSelected(
+                this,
+                selectedView, position, selectedItemId
+            )
+        }
+    }
+}