Migrate dialogs to Rust and add a New File dialog (#623)

* Migrate coming soon and about dialog to Rust

* Migrate confirm close and close all

* Migrate dialog error

* Improve keyboard navigation throughout UI

* Cleanup and fix panic dialog

* Reduce css spacing to better match old dialogs

* Add new document modal

* Fix crash when generating default name

* Populate rust about graphite data on startup

* Code review changes

* Move one more :focus CSS rule into App.vue

* Add a dialog message and move dialogs

* Split out keyboard input navigation from this branch

* Improvements including simplifying panic dialog code

Co-authored-by: Keavon Chambers <keavon@keavon.com>

frontend/src/components/widgets/inputs/FontInput.vue

@@ -1,5 +1,5 @@
 <template>
-	<LayoutRow class="dropdown-input">
+	<LayoutRow class="font-input">
 		<LayoutRow class="dropdown-box" :class="{ disabled }" :style="{ minWidth: `${minWidth}px` }" @click="() => clickDropdownBox()" data-hover-menu-spawner>
 			<span>{{ activeEntry.label }}</span>
 			<IconLabel class="dropdown-arrow" :icon="'DropdownArrow'" />
@@ -16,7 +16,7 @@
 </template>
 
 <style lang="scss">
-.dropdown-input {
+.font-input {
 	position: relative;
 
 	.dropdown-box {