refactor: improvements to blob editor and code cleanup

src/common/fieldTypes.js

@@ -0,0 +1,12 @@
+export const TEXT = ['char', 'varchar'];
+export const LONG_TEXT = ['text', 'mediumtext', 'longtext'];
+
+export const NUMBER = ['int', 'tinyint', 'smallint', 'mediumint', 'bigint'];
+
+export const DATE = ['date'];
+export const TIME = ['time'];
+export const DATETIME = ['datetime', 'timestamp'];
+
+export const BLOB = ['blob', 'mediumblob', 'longblob'];
+
+export const BIT = ['bit'];