revert(chatlog): "fix: data validation during the search"

This reverts commit acb91ed731.

src/model/chathistory.cpp

@@ -160,19 +160,13 @@ SearchResult ChatHistory::searchBackward(SearchPos startIdx, const QString& phra
         history->getDateWhereFindPhrase(f.getPublicKey(), earliestMessageDate, phrase,
                                         parameter);
 
-    if (dateWherePhraseFound.isValid()) {
-        auto loadIdx = history->getNumMessagesForFriendBeforeDate(f.getPublicKey(), dateWherePhraseFound);
-        loadHistoryIntoSessionChatLog(ChatLogIdx(loadIdx));
-
-        // Reset search pos to the message we just loaded to avoid a double search
-        startIdx.logIdx = ChatLogIdx(loadIdx);
-        startIdx.numMatches = 0;
-        return sessionChatLog.searchBackward(startIdx, phrase, parameter);
-    }
+    auto loadIdx = history->getNumMessagesForFriendBeforeDate(f.getPublicKey(), dateWherePhraseFound);
+    loadHistoryIntoSessionChatLog(ChatLogIdx(loadIdx));
 
-    SearchResult ret;
-    ret.found = false;
-    return ret;
+    // Reset search pos to the message we just loaded to avoid a double search
+    startIdx.logIdx = ChatLogIdx(loadIdx);
+    startIdx.numMatches = 0;
+    return sessionChatLog.searchBackward(startIdx, phrase, parameter);
 }
 
 ChatLogIdx ChatHistory::getFirstIdx() const

src/widget/form/genericchatform.cpp

@@ -1004,13 +1004,7 @@ void GenericChatForm::onSearchUp(const QString& phrase, const ParameterSearch& p
 
 void GenericChatForm::onSearchDown(const QString& phrase, const ParameterSearch& parameter)
 {
-    auto result = chatLog.searchForward(searchPos, phrase, parameter);    
-
-    if (result.found && result.pos.logIdx.get() > messages.end()->first.get()) {
-        const auto dt = chatLog.at(result.pos.logIdx).getTimestamp();
-        loadHistory(dt, LoadHistoryDialog::from);
-    }
-
+    auto result = chatLog.searchForward(searchPos, phrase, parameter);
     handleSearchResult(result, SearchDirection::Down);
 }
 
@@ -1032,7 +1026,6 @@ void GenericChatForm::handleSearchResult(SearchResult result, SearchDirection di
         chatWidget->scrollToLine(msg);
 
         auto text = qobject_cast<Text*>(msg->getContent(1));
-        text->visibilityChanged(true);
         text->selectText(result.exp, std::make_pair(result.start, result.len));
     });
 }