Custom rules dialog enhancement, small fixes (#9665)

* Rule categories and search in custom rules dialog

* Fix wrong info about format placeholders in all unfinished locales

* Rule search fix, rule info system, some stuff for easier rules dialog modding

* Why not to fix what i can?

core/assets/bundles/bundle_ko.properties

@@ -606,7 +606,7 @@ filter.option.floor2 = 2번째 타일
 filter.option.threshold2 = 2번째 경계선
 filter.option.radius = 반경
 filter.option.percentile = 백분율
-locales.info = Here, you can add locale bundles for specific languages to your map. In locale bundles, each property has a name and a value. These properties can be used by world processors and objectives using their names. They support text formatting (replacing placeholders with actual values).\n\n[cyan]Example property:\n[]name: [accent]timer[]\nvalue: [accent]Example timer, time left: @[]\n\n[cyan]Usage:\n[]Set it as objective's text: [accent]@timer\n\n[]Print it in a world processor:\n[accent]localeprint "timer"\nformat time\n[gray](where time is a separately calculated variable)
+locales.info = Here, you can add locale bundles for specific languages to your map. In locale bundles, each property has a name and a value. These properties can be used by world processors and objectives using their names. They support text formatting (replacing placeholders with actual values).\n\n[cyan]Example property:\n[]name: [accent]timer[]\nvalue: [accent]Example timer, time left: {0}[]\n\n[cyan]Usage:\n[]Set it as objective's text: [accent]@timer\n\n[]Print it in a world processor:\n[accent]localeprint "timer"\nformat time\n[gray](where time is a separately calculated variable)
 locales.deletelocale = Are you sure you want to delete this locale bundle?
 locales.applytoall = Apply Changes To All Locales
 locales.addtoother = Add To Other Locales
@@ -2290,7 +2290,7 @@ unit.emanate.description = 코어: 도심을 지켜내기 위해 구조물을
 lst.read = 연결된 메모리 셀에서 숫자 읽음
 lst.write = 연결된 메모리 셀에 숫자 작성
 lst.print = 프린트 버퍼에 텍스트 추가\n[accent]Print Flush[]가 사용되기 전까진 아무것도 보여주지 않습니다
-lst.format = Replace next placeholder ("[accent]@[]") in text buffer with a value.\nExample:\n[accent]print "test @"\nformat "example"
+lst.format =  Replace next placeholder in text buffer with a value.\nDoes not do anything if placeholder pattern is invalid.\nPlaceholder pattern: "{[accent]number 0-9[]}"\nExample:\n[accent]print "test {0}"\nformat "example"
 lst.draw = 드로잉 버퍼에 실행문 추가\n[accent]Draw Flush[]가 사용되기 전까진 아무것도 보여주지 않습니다
 lst.drawflush = 대기중인 [accent]Draw[]실행문을 디스플레이에 출력
 lst.printflush = 대기중인 [accent]Print[]실행문을 메시지 블록에 출력