Fix GCC Build Errors

- Fix gcc error caused by implicit conversion of Qt::ByteArray to const char*
- Fix Linker errors to QtTest in AtomToolsFramework.Tests and ScriptCanvasDeveloper.Editor

Signed-off-by: Steve Pham <82231385+spham-amzn@users.noreply.github.com>

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/EditorEntityContextComponent.cpp

@@ -447,7 +447,7 @@ namespace AzToolsFramework
         else
         {
             loadedSuccessfully = static_cast<PrefabEditorEntityOwnershipService*>(m_entityOwnershipService.get())->LoadFromStream(
-                stream, AZStd::string_view(levelPakFile.toUtf8(), levelPakFile.size()) );
+                stream, AZStd::string_view(levelPakFile.toUtf8().constData(), levelPakFile.size()) );
 
         }
         

Gems/Atom/Tools/AtomToolsFramework/Code/CMakeLists.txt

@@ -81,6 +81,7 @@ if(PAL_TRAIT_BUILD_TESTS_SUPPORTED)
                 Tests
         BUILD_DEPENDENCIES
             PRIVATE
+                3rdParty::Qt::Test
                 AZ::AzTest
                 AZ::AzTestShared
                 AZ::AzFrameworkTestShared

Gems/ScriptCanvasDeveloper/Code/CMakeLists.txt

@@ -74,6 +74,7 @@ if(PAL_TRAIT_BUILD_HOST_TOOLS)
                 ${SCRIPT_CANVAS_DEV_COMMON_DEFINES}
         BUILD_DEPENDENCIES
             PRIVATE
+                3rdParty::Qt::Test
                 AZ::AzCore
                 AZ::AzFramework
                 AZ::AzToolsFramework