Do not display invalid shaders

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/minecraft/mod/ShaderPack.cpp

@@ -22,7 +22,7 @@
 
 #include "ShaderPack.h"
 
-#include "minecraft/mod/tasks/LocalShaderPackParseTask.h"
+#include <QRegularExpression>
 
 void ShaderPack::setPackFormat(ShaderPackFormat new_format)
 {
@@ -35,3 +35,8 @@ bool ShaderPack::valid() const
 {
     return m_pack_format != ShaderPackFormat::INVALID;
 }
+
+bool ShaderPack::applyFilter(QRegularExpression filter) const
+{
+    return valid() && Resource::applyFilter(filter);
+}