Only highlight known restrictions

There are cases where a record will have restrictions that we don't want
to highlight.

We only display the restrictons tag if the code is listed in the
`Sanction::SANCTIONS` constant.

app/lib/qualifications_api/teacher.rb

@@ -46,7 +46,9 @@ def restriction_status
     end
 
     def no_restrictions?
-      return true if sanctions.blank? || sanctions.all?(&:guilty_but_not_prohibited?)
+      return true if sanctions.blank? || 
+        sanctions.all?(&:guilty_but_not_prohibited?) || 
+        sanctions.map(&:title).join.blank?
 
       false
     end

spec/lib/qualifications_api/teacher_spec.rb

@@ -425,7 +425,7 @@
       let(:api_data) do
         {
           "sanctions" => [
-            { "guiltyButNotProhibited" => true },
+            { "code" => "T6", "start_date" => "2024-01-01" },
             { "possibleMatchOnChildrensBarredList" => true }
           ]
         }
@@ -434,11 +434,35 @@
       it { is_expected.to be_falsey }
     end
 
-    context "when there are sanctions" do
+    context "when there are sanctions that are not prohibited" do
       let(:api_data) do
         {
           "sanctions" => [
-            { "guiltyButNotProhibited" => true },
+            { "code" => "T6", "start_date" => "2024-01-01" },
+          ]
+        }
+      end
+
+      it { is_expected.to be_truthy }
+    end
+
+    context "when there are sanctions not listed in the Sanction model" do
+      let(:api_data) do
+        {
+          "sanctions" => [
+            { "code" => "T7", "start_date" => "2024-01-01" },
+          ]
+        }
+      end
+
+      it { is_expected.to be_truthy }
+    end
+
+    context "when there are sanctions that are prohibited" do
+      let(:api_data) do
+        {
+          "sanctions" => [
+            { "code" => "A13", "start_date" => "2024-01-01" },
           ]
         }
       end