Fix LoRA folder drops not appearing without weakening engine filters.

Stop empty Comfy blips from freezing the LoRA cache timestamp, and refresh the picker list from Comfy on each poll. Engine tagging (flux/krea) and xaigen platform filtering stay as they were.

Co-authored-by: Cursor <cursoragent@cursor.com>

components/SettingsForm.vue

@@ -760,7 +760,7 @@ async function forceResetGpu() {
 async function loadLoraKeys() {
   loraRowsLoading.value = true
   try {
-    const listed = await $fetch<{ image?: string[]; video?: string[] }>('/api/loras').catch(() => ({ image: [], video: [] }))
+    const listed = await $fetch<{ image?: string[]; video?: string[] }>('/api/loras?fresh=1').catch(() => ({ image: [], video: [] }))
     const library = await $fetch<{
       loraAliases?: Record<string, string>
       loraTriggers?: Record<string, string>