[LyX/master] Amend 9be6a425, Workaround for advanced search in 'uncover'-inset.

[Kornel Benko]

commit 2333af615d42d2fe00d12d10f15198ae7199b191
Author: Kornel Benko <kornel at lyx.org>
Date:   Fri Nov 4 15:34:49 2022 +0100

    Amend 9be6a425, Workaround for advanced search in 'uncover'-inset.
    
    Use getInset(i)->toString() instead of getInset(i)->plaintext()
    if searching, so that we get the option of 'uncover' visible to the search engine.
---
 src/Paragraph.cpp |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/src/Paragraph.cpp b/src/Paragraph.cpp
index 4ce9441..3b3bc39 100644
--- a/src/Paragraph.cpp
+++ b/src/Paragraph.cpp
@@ -4256,7 +4256,10 @@ docstring Paragraph::asString(pos_type beg, pos_type end, int options, const Out
 		else if (c == META_INSET && (options & AS_STR_INSETS)) {
 			if (c == META_INSET && (options & AS_STR_PLAINTEXT)) {
 				LASSERT(runparams != nullptr, return docstring());
-				getInset(i)->plaintext(os, *runparams);
+				if (runparams->find_effective())
+					getInset(i)->toString(os);
+				else
+					getInset(i)->plaintext(os, *runparams);
 			} else if (c == META_INSET && (options & AS_STR_MATHED)
 				   && getInset(i)->lyxCode() == REF_CODE) {
 				Buffer const & buf = getInset(i)->buffer();