Include unreferenced types (microsoft#1123)

Author: timotheeguerin

common/changes/@cadl-lang/compiler/models-only_2022-10-04-17-07.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/compiler",
+      "comment": "Add `navigateNamespace` helper letting user to navigate types under a namespace.(Similar to `navigateProgram`)",
+      "type": "minor"
+    }
+  ],
+  "packageName": "@cadl-lang/compiler"
+}

common/changes/@cadl-lang/lint/models-only_2022-10-05-14-54.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/lint",
+      "comment": "Uptake change to navigateProgram",
+      "type": "minor"
+    }
+  ],
+  "packageName": "@cadl-lang/lint"
+}

common/changes/@cadl-lang/openapi3/models-only_2022-10-04-17-07.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/openapi3",
+      "comment": "Emitted openapi3 document include all types under the service namespace",
+      "type": "minor"
+    }
+  ],
+  "packageName": "@cadl-lang/openapi3"
+}

common/changes/@cadl-lang/versioning/models-only_2022-10-04-21-19.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/versioning",
+      "comment": "Uptake changes to navigateProgram",
+      "type": "minor"
+    }
+  ],
+  "packageName": "@cadl-lang/versioning"
+}