both scientific formats are of type medium, tdf#88835 follow-up

Otherwise, with one of type long, we'd need to set that to default as
well, defaults are per type. Visible in a dbgutil build terminal output
when the locale is selected in the number formatter dialog for the first
time:

SvNumberFormatter::ImpAdjustFormatCodeDefault: no long type default
XML locale data FormatElement group of: ScientificFormatskey1
ja-JP requested
ja-JP loaded

SvNumberFormatter::ImpAdjustFormatCodeDefault: no long type default
XML locale data FormatElement group of: ScientificFormatskey1
ko-KR requested
ko-KR loaded

Change-Id: I3e445fff3ca2dd834bd19c609a2ee2f68e704093

i18npool/source/localedata/data/ja_JP.xml

@@ -77,7 +77,7 @@
     <FormatElement msgid="FixedFormatskey6" default="false" type="short" usage="FIXED_NUMBER" formatindex="5">
       <FormatCode>#,###.00</FormatCode>
     </FormatElement>
-    <FormatElement msgid="ScientificFormatskey1" default="false" type="long" usage="SCIENTIFIC_NUMBER" formatindex="6">
+    <FormatElement msgid="ScientificFormatskey1" default="false" type="medium" usage="SCIENTIFIC_NUMBER" formatindex="6">
       <FormatCode>0.00E+000</FormatCode>
     </FormatElement>
     <FormatElement msgid="ScientificFormatskey2" default="true" type="medium" usage="SCIENTIFIC_NUMBER" formatindex="7">

i18npool/source/localedata/data/ko_KR.xml

@@ -71,7 +71,7 @@
     <FormatElement msgid="NumberFormatskey6" default="false" type="medium" usage="FIXED_NUMBER" formatindex="5">
       <FormatCode>#,###.00</FormatCode>
     </FormatElement>
-    <FormatElement msgid="ScientificFormatskey1" default="false" type="long" usage="SCIENTIFIC_NUMBER" formatindex="6">
+    <FormatElement msgid="ScientificFormatskey1" default="false" type="medium" usage="SCIENTIFIC_NUMBER" formatindex="6">
       <FormatCode>0.00E+000</FormatCode>
     </FormatElement>
     <FormatElement msgid="ScientificFormatskey2" default="true" type="medium" usage="SCIENTIFIC_NUMBER" formatindex="7">