Add support for odd-sized (3, 5, 6, 7 bytes) integer types for attributes (#11870)

* Add support for odd-sized (3, 5, 6, 7 bytes) integer types for attributes.

Fixes #8202

* Make it easier to test both endian-nesses of NumericAttributeTraits.

* Fix null representation for the signed case.

* Add unit tests for NumericAttributeTraits for unusual integer sizes.

Co-authored-by: Thomas Lykkeberg <tlykkeberg@grundfos.com>

Author: 2 people

examples/all-clusters-app/all-clusters-common/all-clusters-app.zap

@@ -11262,7 +11262,7 @@
               "code": 21,
               "mfgCode": null,
               "side": "server",
-              "included": 0,
+              "included": 1,
               "storageOption": "RAM",
               "singleton": 0,
               "bounded": 0,
@@ -11277,7 +11277,7 @@
               "code": 22,
               "mfgCode": null,
               "side": "server",
-              "included": 0,
+              "included": 1,
               "storageOption": "RAM",
               "singleton": 0,
               "bounded": 0,

src/app/tests/BUILD.gn

@@ -53,6 +53,7 @@ chip_test_suite("tests") {
     "TestEventPathParams.cpp",
     "TestInteractionModelEngine.cpp",
     "TestMessageDef.cpp",
+    "TestNumericAttributeTraits.cpp",
     "TestReadInteraction.cpp",
     "TestReportingEngine.cpp",
     "TestStatusResponseMessage.cpp",