[hle/service] stub missing homebrew services, fix NPad/caps crashes (#4264)

Signed-off-by: lizzie <lizzie@eden-emu.dev>

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

this PR adds various missing services (acc:e, acc:e:u1)
to expand homebrew compatibility
notably this also fixes NPad related crashes due to nullref

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4264
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>

src/core/hle/service/glue/ectx.cpp

@@ -43,6 +43,30 @@ private:
     }
 };
 
+ECTX_W::ECTX_W(Core::System& system_) : ServiceFramework{system_, "ectx:w"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "CreateContextRegistrar"},
+        {1, nullptr, "CommitContext"},
+        {2, nullptr, "RemoveContext"},
+    };
+    // clang-format on
+    RegisterHandlers(functions);
+}
+ECTX_W::~ECTX_W() = default;
+
+ECTX_R::ECTX_R(Core::System& system_) : ServiceFramework{system_, "ectx:r"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "GetContextInfo"},
+        {1, nullptr, "PullContext"},
+        {2, nullptr, "ListContextDescriptorWithResultForDebug"},
+    };
+    // clang-format on
+    RegisterHandlers(functions);
+}
+ECTX_R::~ECTX_R() = default;
+
 ECTX_AW::ECTX_AW(Core::System& system_) : ServiceFramework{system_, "ectx:aw"} {
     // clang-format off
     static const FunctionInfo functions[] = {