Bugfix/default civilunits length koq (backport #9071) [release/5.7.x] (#9072)

Co-authored-by: Alexandre.Gagnon <3418768+a-gagnon@users.noreply.github.com>

Author: mergify[bot]

common/changes/@itwin/core-frontend/bugfix-default-civilunits-length-koq_2026-03-09-18-52.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/core-frontend",
+      "comment": "Fix default KOQ -> QuantityType map value for CivilUnits.LENGTH",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/core-frontend"
+}

core/frontend/src/quantity-formatting/QuantityFormatter.ts

@@ -342,7 +342,7 @@ export class QuantityTypeFormatsProvider implements FormatsProvider {
     ["DefaultToolsUnits.VOLUME", QuantityType.Volume],
     ["DefaultToolsUnits.LENGTH_COORDINATE", QuantityType.Coordinate],
     ["CivilUnits.STATION", QuantityType.Stationing],
-    ["CivilUnits.LENGTH", QuantityType.LengthSurvey],
+    ["CivilUnits.LENGTH", QuantityType.LengthEngineering],
     ["AecUnits.LENGTH", QuantityType.LengthEngineering]
   ]);
 
@@ -692,7 +692,7 @@ export class QuantityFormatter implements UnitsProvider {
     try {
       // force all cached data to be reinitialized
       await IModelApp.quantityFormatter.onInitialized();
-    } catch(err) {
+    } catch (err) {
       Logger.logWarning(`${FrontendLoggerCategory.Package}.quantityFormatter`, BentleyError.getErrorMessage(err), BentleyError.getErrorMetadata(err));
       Logger.logWarning(`${FrontendLoggerCategory.Package}.quantityFormatter`, "An exception occurred initializing the iModelApp.quantityFormatter with the given UnitsProvider. Defaulting back to the internal units provider.");
       // If there is a problem initializing with the given provider, default back to the internal provider
@@ -1128,13 +1128,13 @@ export class QuantityFormatter implements UnitsProvider {
     return this._formatSpecsRegistry.get(name);
   }
 
-    /**
-   * Populates the registry with a new FormatterSpec and ParserSpec entry for the given format name.
-   * @beta
-   * @param name The key used to identify the formatter and parser spec
-   * @param persistenceUnitName The name of the persistence unit
-   * @param formatProps If not supplied, tries to retrieve the [[FormatProps]] from [[IModelApp.formatsProvider]]
-   */
+  /**
+ * Populates the registry with a new FormatterSpec and ParserSpec entry for the given format name.
+ * @beta
+ * @param name The key used to identify the formatter and parser spec
+ * @param persistenceUnitName The name of the persistence unit
+ * @param formatProps If not supplied, tries to retrieve the [[FormatProps]] from [[IModelApp.formatsProvider]]
+ */
   public async addFormattingSpecsToRegistry(name: string, persistenceUnitName: string, formatProps?: FormatProps): Promise<void> {
     if (!formatProps) {
       formatProps = await IModelApp.formatsProvider.getFormat(name);