Added debug logs which will help us in debugging if any error happens.

Author: MohitMaliDeveloper

core/src/main/java/org/kiwix/kiwixmobile/core/main/CoreReaderFragment.kt

@@ -2686,6 +2686,10 @@ abstract class CoreReaderFragment :
           findInPageTitle = null
         }
       }, {
+        Log.e(
+          TAG_KIWIX,
+          "Could not restore tabs. Original exception = ${it.printStackTrace()}"
+        )
         restoreViewStateOnInvalidWebViewHistory()
       })
   }