Use tryGetQueryLanguage function

Author: koesie10

extensions/ql-vscode/src/model-editor/method-modeling/method-modeling-view-provider.ts

@@ -15,7 +15,10 @@ import { ModelEditorViewTracker } from "../model-editor-view-tracker";
 import { ModelConfigListener } from "../../config";
 import { DatabaseItem } from "../../databases/local-databases";
 import { ModelingEvents } from "../modeling-events";
-import { isQueryLanguage, QueryLanguage } from "../../common/query-language";
+import {
+  QueryLanguage,
+  tryGetQueryLanguage,
+} from "../../common/query-language";
 
 export class MethodModelingViewProvider extends AbstractWebviewViewProvider<
   ToMethodModelingMessage,
@@ -59,10 +62,7 @@ export class MethodModelingViewProvider extends AbstractWebviewViewProvider<
   ): Promise<void> {
     this.method = method;
     this.databaseItem = databaseItem;
-    this.language =
-      databaseItem && isQueryLanguage(databaseItem?.language)
-        ? databaseItem.language
-        : undefined;
+    this.language = databaseItem && tryGetQueryLanguage(databaseItem.language);
 
     if (this.isShowingView) {
       await this.postMessage({
@@ -77,9 +77,9 @@ export class MethodModelingViewProvider extends AbstractWebviewViewProvider<
       const selectedMethod = this.modelingStore.getSelectedMethodDetails();
       if (selectedMethod) {
         this.databaseItem = selectedMethod.databaseItem;
-        this.language = isQueryLanguage(selectedMethod.databaseItem.language)
-          ? selectedMethod.databaseItem.language
-          : undefined;
+        this.language = tryGetQueryLanguage(
+          selectedMethod.databaseItem.language,
+        );
         this.method = selectedMethod.method;
 
         await this.postMessage({
@@ -195,9 +195,7 @@ export class MethodModelingViewProvider extends AbstractWebviewViewProvider<
         if (this.webviewView) {
           this.method = e.method;
           this.databaseItem = e.databaseItem;
-          this.language = isQueryLanguage(e.databaseItem.language)
-            ? e.databaseItem.language
-            : undefined;
+          this.language = tryGetQueryLanguage(e.databaseItem.language);
 
           await this.postMessage({
             t: "setSelectedMethod",