Inheritdoc fixes (#5823)

* add some crefs to inheritdoc

* be more specific

* typo

Author: gewarren

src/Libraries/Microsoft.Extensions.AI.Abstractions/AdditionalPropertiesDictionary{TValue}.cs

@@ -143,10 +143,10 @@ void ICollection<KeyValuePair<string, TValue>>.CopyTo(KeyValuePair<string, TValu
     bool ICollection<KeyValuePair<string, TValue>>.Remove(KeyValuePair<string, TValue> item) => ((ICollection<KeyValuePair<string, TValue>>)_dictionary).Remove(item);
 
     /// <summary>Attempts to extract a typed value from the dictionary.</summary>
-    /// <typeparam name="T">Specifies the type of the value to be retrieved.</typeparam>
+    /// <typeparam name="T">The type of the value to be retrieved.</typeparam>
     /// <param name="key">The key to locate.</param>
     /// <param name="value">
-    /// The value retrieved from the dictionary, if found and successfully converted to the requested type;
+    /// When this method returns, contains the value retrieved from the dictionary, if found and successfully converted to the requested type;
     /// otherwise, the default value of <typeparamref name="T"/>.
     /// </param>
     /// <returns>

src/Libraries/Microsoft.Extensions.Hosting.Testing/FakeHostOptions.cs

@@ -43,10 +43,10 @@ public class FakeHostOptions
     /// </value>
     public bool FakeLogging { get; set; } = true;
 
-    /// <inheritdoc cref="ServiceProviderOptions"/>
+    /// <inheritdoc cref="ServiceProviderOptions.ValidateScopes"/>
     public bool ValidateScopes { get; set; } = true;
 
-    /// <inheritdoc cref="ServiceProviderOptions"/>
+    /// <inheritdoc cref="ServiceProviderOptions.ValidateOnBuild"/>
     public bool ValidateOnBuild { get; set; } = true;
 
     /// <summary>