Addressed copilot's comments

src/libwolfboot.c

@@ -1401,6 +1401,7 @@ int wolfBoot_dualboot_candidate(void)
 
         if (fallback_v < candidate_v) {
             wolfBoot_printf("Rollback to lower version not allowed\n");
+            wolfBoot_erase_partition(candidate);
             return -1;
         }
 #endif

src/update_flash_hwswap.c

@@ -62,6 +62,7 @@ void RAMFUNCTION wolfBoot_start(void)
         if ((max_v > 0U) && (active_v < max_v)) {
             wolfBoot_printf("Rollback to lower version not allowed\n");
             boot_panic();
+            continue;
         }
 #endif
         if ((wolfBoot_open_image(&fw_image, active) < 0)

tools/unit-tests/unit-update-ram-nofixed.c

@@ -210,6 +210,7 @@ START_TEST(test_invalid_update_rollback_to_older_boot_is_denied)
 
     ck_assert_int_eq(wolfBoot_staged_ok, 0);
     ck_assert_int_eq(wolfBoot_panicked, 1);
+    ck_assert_ptr_eq((void *)wolfBoot_stage_address, (void *)0xFFFFFFFF);
     cleanup_flash();
 }
 END_TEST

tools/unit-tests/unit-update-ram.c

@@ -380,6 +380,7 @@ START_TEST (test_invalid_update_type) {
     wolfBoot_start();
     ck_assert(!wolfBoot_staged_ok);
     ck_assert_int_eq(wolfBoot_panicked, 1);
+    ck_assert_int_eq(get_version_ramloaded(), 2);
     cleanup_flash();
 }