fix(authentication): add flag to clear cooldown end time

- Update AuthenticationBloc to include clearCooldownEndTime flag when resetting status to initial
- This change ensures proper reset of cooldown state and prevents potential issues with leftover values

Author: fulleni

lib/authentication/bloc/authentication_bloc.dart

@@ -203,7 +203,12 @@ class AuthenticationBloc
     Emitter<AuthenticationState> emit,
   ) {
     if (state.status == AuthenticationStatus.requestCodeCooldown) {
-      emit(state.copyWith(status: AuthenticationStatus.initial));
+      emit(
+        state.copyWith(
+          status: AuthenticationStatus.initial,
+          clearCooldownEndTime: true,
+        ),
+      );
     }
   }