update translations for 7.6.0 rc2

and force-fix errors using pocheck

Change-Id: I075679900c1be669a6aef260e502a1d240285918

source/cy/cui/messages.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: https://bugs.libreoffice.org/enter_bug.cgi?product=LibreOffice&bug_status=UNCONFIRMED&component=UI\n"
 "POT-Creation-Date: 2023-07-06 10:56+0200\n"
-"PO-Revision-Date: 2023-06-21 02:35+0000\n"
+"PO-Revision-Date: 2023-07-17 22:39+0000\n"
 "Last-Translator: Rhoslyn Prys <post@meddal.com>\n"
 "Language-Team: Welsh <https://translations.documentfoundation.org/projects/libo_ui-master/cuimessages/cy/>\n"
 "Language: cy\n"
@@ -13,7 +13,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n==2) ? 1 : 0;\n"
 "X-Accelerator-Marker: ~\n"
-"X-Generator: LibreOffice\n"
+"X-Generator: Weblate 4.15.2\n"
 "X-POOTLE-MTIME: 1565800847.000000\n"
 
 #. GyY9M
@@ -13916,13 +13916,13 @@ msgstr "Rhowch destun disgrifiadol. Mae modd rhoi testun disgrifiad hir i ddisgr
 #: cui/uiconfig/ui/objecttitledescdialog.ui:165
 msgctxt "objecttitledescdialog|decorative"
 msgid "Decorative"
-msgstr ""
+msgstr "Addurniadol"
 
 #. CNpGY
 #: cui/uiconfig/ui/objecttitledescdialog.ui:173
 msgctxt "objecttitledescdialog|extended_tip|decorative"
 msgid "The item is purely decorative, not part of the document content, and may be ignored by assistive technologies."
-msgstr ""
+msgstr "Mae'r eitem yn un addurniadol pur, nid yw'n rhan o gynnwys y ddogfen ac mae modd ei anwybyddu gan dechnolegau cynorthwyol."
 
 #. 8BCe3
 #: cui/uiconfig/ui/objecttitledescdialog.ui:199