Fixed typo in SettingsPanel.razor (#369)

Fixed typo "query-contrextual" should be "query-contextual".

## Purpose
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## Does this introduce a breaking change?
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[ ] Yes
[ x] No
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## Pull Request Type
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[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
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[ x] Other... Please describe:
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cd [repo-name]
git checkout [branch-name]
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app/SharedWebComponents/Components/SettingsPanel.razor

@@ -39,7 +39,7 @@
         </MudRadioGroup>
         <MudCheckBox @bind-Checked="@Settings.Overrides.SemanticCaptions" Size="Size.Large"
                      Color="Color.Primary" 
-                     Label="Use query-contrextual summaries instead of whole documents" />
+                     Label="Use query-contextual summaries instead of whole documents" />
 
         <MudCheckBox @bind-Checked="@Settings.Overrides.SuggestFollowupQuestions" Size="Size.Large"
                      Color="Color.Primary" Label="Suggest follow-up questions"
@@ -53,4 +53,4 @@
             Close
         </MudButton>
     </div>
-</MudDrawer>
+</MudDrawer>