Replace label fuzzy search with exact search for VSD

Ensures we only apply label filters in the value
streams dashboard when there is an exact match.

Changelog: changed
EE: true

doc/user/analytics/value_streams_dashboard.md

@@ -111,6 +111,9 @@ panels:
           - in_review
 ```
+NOTE:
+Only labels that exactly match the specified filters are applied.
+
 ### DORA Performers score panel
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/386843) in GitLab 16.3 [with a flag](../../administration/feature_flags.md) named `dora_performers_score_panel`. Disabled by default.

ee/app/assets/javascripts/analytics/dashboards/graphql/filter_labels_query_builder.js

@@ -13,7 +13,7 @@ export const LABEL_PREFIX = 'label_';
  */
 export default (labelNames, isProject) => {
   const labels = labelNames.map((label, index) => {
-    let args = `searchTerm: "${label}", searchIn: [TITLE], includeAncestorGroups: true`;
+    let args = `title: "${label}", includeAncestorGroups: true`;
     if (!isProject) {
       args += ', includeDescendantGroups: true';
     }

ee/spec/frontend/analytics/dashboards/mock_data.js

@@ -696,8 +696,7 @@ export const filterLabelsGroupQuery = `query ($fullPath: ID!) {
   namespace: group(fullPath: $fullPath) {
     id
     label_0: labels(
-      searchTerm: "zero"
-      searchIn: [TITLE]
+      title: "zero"
       includeAncestorGroups: true
       includeDescendantGroups: true
     ) {
@@ -708,8 +707,7 @@ export const filterLabelsGroupQuery = `query ($fullPath: ID!) {
       }
     }
     label_1: labels(
-      searchTerm: "one"
-      searchIn: [TITLE]
+      title: "one"
       includeAncestorGroups: true
       includeDescendantGroups: true
     ) {
@@ -726,22 +724,14 @@ export const filterLabelsGroupQuery = `query ($fullPath: ID!) {
 export const filterLabelsProjectQuery = `query ($fullPath: ID!) {
   namespace: project(fullPath: $fullPath) {
     id
-    label_0: labels(
-      searchTerm: "zero"
-      searchIn: [TITLE]
-      includeAncestorGroups: true
-    ) {
+    label_0: labels(title: "zero", includeAncestorGroups: true) {
       nodes {
         id
         title
         color
       }
     }
-    label_1: labels(
-      searchTerm: "one"
-      searchIn: [TITLE]
-      includeAncestorGroups: true
-    ) {
+    label_1: labels(title: "one", includeAncestorGroups: true) {
       nodes {
         id
         title