[Future] rework DBTypeList

[Sarjuuk]

• should be split into

  • individual DBType entities (replacing the template arrays)
  • a collection class for DBType entities, that offers batch operations on them

• decouple SQL limit configs from DBTypeList Error in quest page #469

  • SQL_LIMIT_DEFAULT (300) > hardcode as const in \Frontend\Listview?
  • SQL_LIMIT_NONE (0) > new default, no special mention or setting
  • SQL_LIMIT_*SEARCH > keep as config, rename to MAX_RESULTS_*SEARCH (?)

• kill type coercion DBTypeList should not apply type coercion to its condition #455

• consistently use LocString for locale aware strings