feat: consistent IconGridSelect sizing + descriptions + filter upgrades

- Added desc text to all 40+ grid items (EN + RU)
- compact prop on all IconGridSelect in compact form sections
- Fixed compact width to fill grid cells (removed width:auto)
- Replaced <select> filter dropdowns with IconGridSelect on config pages
- Replaced <select> provider filters with EntitySelect on tracker pages
- Dashboard filters constrained to fixed widths (not full row)
- Added filtering to command-template-configs and providers pages
- providerTypeFilterItems() with "All" option for filter contexts

frontend/src/routes/targets/+page.svelte

@@ -443,7 +443,7 @@
 						</div>
 						<div class="col-span-2">
 							<label class="block text-xs mb-1">{t('targets.chatAction')}</label>
-							<IconGridSelect items={chatActionItems()} bind:value={form.chat_action} columns={4} />
+							<IconGridSelect items={chatActionItems()} bind:value={form.chat_action} columns={4} compact />
 						</div>
 						<label class="flex items-center gap-2 text-sm col-span-2"><input type="checkbox" bind:checked={form.disable_url_preview} /> {t('targets.disableUrlPreview')}</label>
 						<label class="flex items-center gap-2 text-sm col-span-2"><input type="checkbox" bind:checked={form.send_large_photos_as_documents} /> {t('targets.sendLargeAsDocuments')}</label>