SF-3627 Set lynx panel sample text font to match project font

src/SIL.XForge.Scripture/ClientApp/src/app/translate/editor/lynx/insights/lynx-insights-panel/lynx-insights-panel.component.scss

@@ -104,6 +104,7 @@ $restoreActionColor: #5485e7;
 
   .sample-text {
     white-space: nowrap;
+    font-family: var(--project-font);
   }
 }
 

src/SIL.XForge.Scripture/ClientApp/src/app/translate/editor/lynx/insights/lynx-insights-panel/lynx-insights-panel.component.spec.ts

@@ -24,6 +24,7 @@ import { BehaviorSubject, of } from 'rxjs';
 import { anything, deepEqual, instance, mock, verify, when } from 'ts-mockito';
 import { ActivatedBookChapterService, RouteBookChapter } from 'xforge-common/activated-book-chapter.service';
 import { ActivatedProjectService } from 'xforge-common/activated-project.service';
+import { FontService } from 'xforge-common/font.service';
 import { I18nService } from 'xforge-common/i18n.service';
 import { IncludesPipe } from 'xforge-common/includes.pipe';
 import { configureTestingModule, getTestTranslocoModule } from 'xforge-common/test-utils';
@@ -43,6 +44,7 @@ const mockRouter = mock<Router>();
 const mockI18nService = mock<I18nService>();
 const mockEditorSegmentService = mock<EditorSegmentService>();
 const mockTextDoc = mock<TextDoc>();
+const mockFontService = mock(FontService);
 
 const OPTIMIZATION_THRESHOLD = 50;
 
@@ -132,6 +134,7 @@ describe('LynxInsightsPanelComponent', () => {
       { provide: Router, useMock: mockRouter },
       { provide: I18nService, useMock: mockI18nService },
       { provide: EditorSegmentService, useMock: mockEditorSegmentService },
+      { provide: FontService, useMock: mockFontService },
       {
         provide: EDITOR_INSIGHT_DEFAULTS,
         useValue: {

src/SIL.XForge.Scripture/ClientApp/src/app/translate/editor/lynx/insights/lynx-insights-panel/lynx-insights-panel.component.ts

@@ -1,5 +1,5 @@
 import { NgClass } from '@angular/common';
-import { AfterViewInit, Component, DestroyRef, Inject, ViewChild } from '@angular/core';
+import { AfterViewInit, Component, DestroyRef, HostBinding, Inject, ViewChild } from '@angular/core';
 import { MatButton } from '@angular/material/button';
 import { MatRipple } from '@angular/material/core';
 import { MatIcon } from '@angular/material/icon';
@@ -23,6 +23,7 @@ import { DeltaOperation } from 'rich-text';
 import { asapScheduler, combineLatest, debounceTime, map, tap } from 'rxjs';
 import { ActivatedBookChapterService, RouteBookChapter } from 'xforge-common/activated-book-chapter.service';
 import { ActivatedProjectService } from 'xforge-common/activated-project.service';
+import { FontService } from 'xforge-common/font.service';
 import { I18nService } from 'xforge-common/i18n.service';
 import { quietTakeUntilDestroyed } from 'xforge-common/util/rxjs-util';
 import { isWhitespace } from 'xforge-common/util/string-util';
@@ -90,6 +91,10 @@ interface LynxInsightWithText extends LynxInsight {
 })
 export class LynxInsightsPanelComponent implements AfterViewInit {
   @ViewChild(MatTree) tree?: MatTree<InsightPanelNode>;
+  @HostBinding('style.--project-font')
+  get projectFont(): string | null {
+    return this.fontService.getFontFamilyFromProject(this.activatedProject.projectDoc);
+  }
 
   treeDataSource: InsightPanelNode[] = [];
 
@@ -152,6 +157,7 @@ export class LynxInsightsPanelComponent implements AfterViewInit {
     private readonly activatedBookChapterService: ActivatedBookChapterService,
     private readonly editorSegmentService: EditorSegmentService,
     private readonly projectService: SFProjectService,
+    private readonly fontService: FontService,
     private readonly router: Router,
     readonly i18n: I18nService,
     @Inject(EDITOR_INSIGHT_DEFAULTS) readonly lynxInsightConfig: LynxInsightConfig