[v11.0.x] TraceView: Fix for toString() usage in span filters (#93684)

TraceView: Fix for toString() usage in span filters (#93648)

Fix for toString() usage

(cherry picked from commit d30dc3ad50)

public/app/features/explore/TraceView/components/utils/filter-spans.tsx

@@ -76,7 +76,7 @@ export function getQueryMatches(query: string, spans: TraceSpan[] | TNil) {
   const isTextInKeyValues = (kvs: TraceKeyValuePair[]) =>
     kvs
       ? kvs.some((kv) => {
-          return isTextInQuery(queryParts, kv.key) || isTextInQuery(queryParts, kv.value.toString());
+          return isTextInQuery(queryParts, kv.key) || isTextInQuery(queryParts, getStringValue(kv.value));
         })
       : false;
 
@@ -157,13 +157,17 @@ const checkKeyForMatch = (tagKey: string, key: string) => {
 };
 
 const checkKeyAndValueForMatch = (tag: Tag, kv: TraceKeyValuePair) => {
-  return tag.key === kv.key.toString() && tag.value === kv.value.toString() ? true : false;
+  return tag.key === kv.key && tag.value === getStringValue(kv.value);
 };
 
 const getReturnValue = (operator: string, found: boolean) => {
   return operator === '=' ? found : !found;
 };
 
+const getStringValue = (value: string | number | boolean | undefined) => {
+  return value ? value.toString() : '';
+};
+
 const getServiceNameMatches = (spans: TraceSpan[], searchProps: SearchProps) => {
   return spans.filter((span: TraceSpan) => {
     return searchProps.serviceNameOperator === '='