Use col.field instead of array index as v-for key on Column components

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/Discover/Conformance/MoreModal.vue

@@ -87,7 +87,7 @@
             tableClass="text-sm"
             breakpoint="0"
           >
-            <div v-for="(col, index) in columnData" :key="index">
+            <div v-for="col in columnData" :key="col.field">
               <Column :field="col.field" :header="col.header">
                 <template #body="{ data }">
                   <div

src/components/Discover/Map/Filter/TraceFilter.vue

@@ -99,7 +99,7 @@
           tableClass="text-sm"
           breakpoint="0"
         >
-          <div v-for="(col, index) in columnData" :key="index">
+          <div v-for="col in columnData" :key="col.field">
             <Column :field="col.field" :header="col.header">
               <template #body="{ data }">
                 <div

src/components/Discover/Map/SidebarTraces.vue

@@ -78,7 +78,7 @@
             tableClass="text-sm"
             breakpoint="0"
           >
-            <div v-for="(col, index) in columnData" :key="index">
+            <div v-for="col in columnData" :key="col.field">
               <Column :field="col.field" :header="col.header">
                 <template #body="{ data }">
                   <div