feat(ui): polish DB public access, backups, and nav

Gate public TCP proxy until a port is set, show loading while saving
access, and open proxy logs in process-dialog. Compact backup
execution actions, add Postgres general section anchors, and tint
resource Actions icons with warning color.

tests/Feature/DatabasePublicAccessLoadingTest.php

@@ -0,0 +1,28 @@
+<?php
+
+it('shows a loading indicator while database public access is changing', function () {
+    $databaseTypes = [
+        'clickhouse',
+        'dragonfly',
+        'keydb',
+        'mariadb',
+        'mongodb',
+        'mysql',
+        'postgresql',
+        'redis',
+    ];
+
+    foreach ($databaseTypes as $databaseType) {
+        $generalSettings = file_get_contents(resource_path("views/livewire/project/database/{$databaseType}/general.blade.php"));
+
+        expect($generalSettings)
+            ->toContain('<x-table.loading target="instantSave" text="Updating public access..." />')
+            ->toContain("'label' => blank(\$publicPort) ? 'Public through TCP proxy (set public port first)' : 'Public through TCP proxy'")
+            ->toContain("'disabled' => blank(\$publicPort)")
+            ->toContain('wire:key="public-access-{{ $publicPort ?: \'unset\' }}"')
+            ->not->toContain('x-data="{ publicPort:')
+            ->not->toContain('x-effect="options[1].disabled')
+            ->not->toContain('id="publicPort" x-on:input=')
+            ->not->toContain('id="publicPort" live');
+    }
+});