Added a way to read what the AI received from your sources (#1100)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Components/SourcePassageView.razor

@@ -0,0 +1,45 @@
+@using AIStudio.Tools.RAG
+@inherits MSGComponentBase
+
+@if (this.Passage.Category is RetrievalContentCategory.IMAGE)
+{
+    <MudAlert Severity="Severity.Info" Variant="Variant.Outlined">
+        @T("An image matched here. The AI was told about it and where to find it, but it did not receive the image itself.")
+    </MudAlert>
+}
+else
+{
+    @if (this.isStoreUnavailable)
+    {
+        <MudAlert Severity="Severity.Warning" Variant="Variant.Outlined" Class="mb-2">
+            <MudStack Row="true" AlignItems="AlignItems.Center" Justify="Justify.SpaceBetween" Wrap="Wrap.Wrap">
+                <MudText>@T("At the moment, AI Studio cannot read the text of this passage that the AI received, e.g., while AI Studio is still starting.")</MudText>
+                <MudButton Variant="Variant.Outlined" Color="Color.Warning" StartIcon="@Icons.Material.Filled.Refresh" OnClick="@this.ReadTextAgainAsync">
+                    @T("Try again")
+                </MudButton>
+            </MudStack>
+        </MudAlert>
+    }
+    else if (this.isTextMissing)
+    {
+        <MudAlert Severity="Severity.Info" Variant="Variant.Outlined" Class="mb-2">
+            @T("AI Studio no longer has the text of this passage that the AI received. Only where it was found is still known.")
+        </MudAlert>
+    }
+    else if (this.isReadingText)
+    {
+        <MudProgressLinear Indeterminate="@true" Color="Color.Primary" Size="Size.Small" Class="mb-2"/>
+    }
+
+    <ContentViewer Text="@this.text" MaxHeight="@this.MaxHeight">
+        <Toolbar>
+            @* The heading takes the free width, so the button stands right, next to the views. The
+               title of the dialog warns about a file which is no longer at its place. *@
+            <MudText Typo="Typo.subtitle2" Class="flex-grow-1">
+                @this.heading
+            </MudText>
+
+            <FileActions Path="@this.openPath" PageNumber="@this.openPage" ShowCopy="@false" ShowFileManager="@false" WarnIfMissing="@false"/>
+        </Toolbar>
+    </ContentViewer>
+}