Filter Strings for Deck Editor search (#3582)

* Add MagicCards.info like fitler parser.

* Use FilterString whenever one of [:=<>] is in the edit box.

* Opts

* Opt

* - Capture errors
- Allow querying any property by full name

* clang format

* Update cockatrice/src/filter_string.cpp

Co-Authored-By: basicer <basicer@basicer.com>

* - Some refactoring for clarity
- More filters
- Add filter help

* Clangify

* Add icon

* Fix test name

* Remove stay debug

* - Add Rarity filter
- Make " trigger filter string mode

* You have to pass both filter types

* clangify

* - Allow filtering by legality
- Import legality into card.xml

* Add format filter to filtertree

* More color search options

* RIP extended

* More fixes

* Fix c:m

* set syntax help parent

* Fix warning

* add additional explanations to syntax help

* Allow multiple ands/ors to be chained

* Cleanup and refactor

Signed-off-by: Zach Halpern <ZaHalpern+github@gmail.com>

* Move utility into guards

Signed-off-by: Zach Halpern <ZaHalpern+github@gmail.com>

* I heard you like refactors so I put a refactor inside your refactor (#3594)

* I heard you like refactors so I put a refactor inside your refactor

so you can refactor while you refactor

* clangify

* Update tab_deck_editor.h

tests/carddatabase/mocks.cpp

@@ -0,0 +1,54 @@
+
+#include "mocks.h"
+
+void CardDatabaseSettings::setSortKey(QString /* shortName */, unsigned int /* sortKey */){};
+void CardDatabaseSettings::setEnabled(QString /* shortName */, bool /* enabled */){};
+void CardDatabaseSettings::setIsKnown(QString /* shortName */, bool /* isknown */){};
+unsigned int CardDatabaseSettings::getSortKey(QString /* shortName */)
+{
+    return 0;
+};
+bool CardDatabaseSettings::isEnabled(QString /* shortName */)
+{
+    return true;
+};
+bool CardDatabaseSettings::isKnown(QString /* shortName */)
+{
+    return true;
+};
+
+SettingsCache::SettingsCache()
+{
+    cardDatabaseSettings = new CardDatabaseSettings();
+};
+SettingsCache::~SettingsCache()
+{
+    delete cardDatabaseSettings;
+};
+QString SettingsCache::getCustomCardDatabasePath() const
+{
+    return QString("%1/customsets/").arg(CARDDB_DATADIR);
+}
+QString SettingsCache::getCardDatabasePath() const
+{
+    return QString("%1/cards.xml").arg(CARDDB_DATADIR);
+}
+QString SettingsCache::getTokenDatabasePath() const
+{
+    return QString("%1/tokens.xml").arg(CARDDB_DATADIR);
+}
+QString SettingsCache::getSpoilerCardDatabasePath() const
+{
+    return QString("%1/spoiler.xml").arg(CARDDB_DATADIR);
+}
+CardDatabaseSettings &SettingsCache::cardDatabase() const
+{
+    return *cardDatabaseSettings;
+}
+
+
+void PictureLoader::clearPixmapCache(CardInfoPtr /* card */)
+{
+}
+
+SettingsCache *settingsCache;