Add refs count column to Strings view table, fix address column width, make sort indicator clearable

Author: galenbwill

ui/stringsview.h

@@ -36,6 +36,7 @@ class BINARYNINJAUIAPI StringsListModel : public QAbstractItemModel, public Bina
 	BinaryViewRef m_data;
 	std::vector<BNStringReference> m_allStrings;
 	std::vector<BNStringReference> m_strings;
+	std::map<uint64_t, uint64_t> m_refCounts;
 	std::string m_filter;
 
 	size_t m_filteredByOptions;
@@ -57,6 +58,7 @@ class BINARYNINJAUIAPI StringsListModel : public QAbstractItemModel, public Bina
 		COL_ADDRESS = 0,
 		COL_TYPE,
 		COL_LENGTH,
+		COL_REFERENCES,
 		COL_VALUE,
 		COLUMN_COUNT,
 	};