[keel,studio,turbine] Finish removing implicit String(const char*) calls

src/studio/applib/src/projecttreemodel.cpp

@@ -52,7 +52,7 @@ ox::BasicString<255> ProjectTreeModel::fullPath() const noexcept {
 	if (m_parent) {
 		return m_parent->fullPath() + "/" + ox::StringView(m_name);
 	}
-	return "";
+	return {};
 }
 
 }

src/studio/modlib/include/studio/itemmaker.hpp

@@ -34,11 +34,11 @@ class ItemMakerT: public ItemMaker {
 		const ox::ClawFormat fmt;
 	public:
 		constexpr explicit ItemMakerT(
-				ox::String pDisplayName,
-				ox::String pParentDir,
-				ox::CRStringView fileExt,
+				ox::StringView pDisplayName,
+				ox::StringView pParentDir,
+				ox::StringView fileExt,
 				ox::ClawFormat pFmt = ox::ClawFormat::Metal) noexcept:
-			ItemMaker(std::move(pDisplayName), std::move(pParentDir), fileExt),
+			ItemMaker(ox::String(pDisplayName), ox::String(pParentDir), fileExt),
 			fmt(pFmt) {
 		}
 		constexpr ItemMakerT(