Fix mobile-only filter toggle specificity on desktop and add Reset Filters button

public/styles.css

@@ -238,7 +238,7 @@ body {
 }
 
 .mobile-only {
-  display: none;
+  display: none !important;
 }
 
 .view-tabs {
@@ -1438,7 +1438,7 @@ body {
    ========================================================= */
 @media (max-width: 820px) {
   .mobile-only {
-    display: inline-flex;
+    display: inline-flex !important;
   }
 
   /* 1. Topbar & Quick Capture on Mobile */