INSR-8561: Fix default "enter" key behavior

This specifically fixes an issue where hitting "enter" on the welcome
page was triggering the "finish filing existing claim" button, even in
cases where that modal was not visible.

src/iss-components/site-footer/site-footer.vue

@@ -22,8 +22,9 @@
                             'hide-button': isForwardButtonHidden
                         }"
                         :aria-disabled="disableForwardAction || isForwardActionDisabled"
-                        :isDisabled="disableForwardAction || isForwardActionDisabled"
+                        :isDisabled="disableForwardAction || isForwardActionDisabled || isForwardButtonHidden"
                         data-test-id="site-footer-main-button"
+                        buttonType="submit"
                         @clickEvent="buttonClick" />
                 </div>
                 <div

src/ux-components/button-main/button-main.vue

@@ -3,6 +3,7 @@
         :aria-disabled="isDisabled"
         class="btn d-flex align-items-center justify-content-center delay"
         :class="[getVariant, `btn-${size}`, canOverride ? 'btn-override' : '']"
+        :type="buttonType"
         @click="clicked">
         <span class="m-0">{{ buttonText }}</span>
     </button>
@@ -21,7 +22,8 @@ export default {
         isDisabled: Boolean,
         isOutline: Boolean,
         pushToGA: Boolean,
-        canOverride: { type: Boolean, required: false, default: true }
+        canOverride: { type: Boolean, required: false, default: true },
+        buttonType: { type: String, required: false, default: 'button' }
     },
     emits: ['click-event'],
     computed: {