Rename two functions in NS

- Rename "GetShellEvent" to "GetShellEventHandle"
- Rename "LaunchApplicationFromHost" to "LaunchApplication"

src/core/hle/service/ns/ns.cpp

@@ -567,11 +567,11 @@ public:
             {0, nullptr, "LaunchProgram"},
             {1, nullptr, "TerminateProcess"},
             {2, nullptr, "TerminateProgram"},
-            {4, nullptr, "GetShellEvent"},
+            {4, nullptr, "GetShellEventHandle"},
             {5, nullptr, "GetShellEventInfo"},
             {6, nullptr, "TerminateApplication"},
             {7, nullptr, "PrepareLaunchProgramFromHost"},
-            {8, nullptr, "LaunchApplicationFromHost"},
+            {8, nullptr, "LaunchApplication"},
             {9, nullptr, "LaunchApplicationWithStorageIdForDevelop"},
             {10, nullptr, "IsSystemMemoryResourceLimitBoosted"},
             {11, nullptr, "GetRunningApplicationProcessIdForDevelop"},