Improve rumble default state (#117)

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## Description
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When loading the menu, ensure that any connected rumble paks are not
rumbling.

## Motivation and Context
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It is possible that they would continue to rumble after a ROM has
crashed or the console was reset from a game where the accessory was
currently rumbling.

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## Types of changes
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- [ ] Improvement (non-breaking change that adds a new feature)
- [x] Bug fix (fixes an issue)
- [ ] Breaking change (breaking change)
- [ ] Config and build (change in the configuration and build system,
has no impact on code or features)

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- [ ] All new and existing tests passed.

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src/menu/menu.c

@@ -67,6 +67,10 @@ static void menu_init (boot_params_t *boot_params) {
 
     sound_init_default();
 
+    JOYPAD_PORT_FOREACH (port) {
+        joypad_set_rumble_active(port, false);
+    }
+
     menu = calloc(1, sizeof(menu_t));
     assert(menu != NULL);