core: don't keep connection of the merged contact (#2507)

apps/android/app/src/main/java/chat/simplex/app/views/chat/ChatInfoView.kt

@@ -196,8 +196,8 @@ fun ChatInfoLayout(
       }
       ContactPreferencesButton(openPreferences)
     }
-
     SectionDividerSpaced()
+
     if (contact.contactLink != null) {
       val context = LocalContext.current
       SectionView(stringResource(R.string.address_section_title).uppercase()) {
@@ -208,6 +208,17 @@ fun ChatInfoLayout(
       SectionDividerSpaced()
     }
 
+    if (developerTools) {
+      SectionView(title = stringResource(R.string.contact_info_section_title_contact)) {
+        val connLevel = contact.activeConn.connLevel
+        val connLevelDesc =
+          if (connLevel == 0) stringResource(R.string.conn_level_desc_direct)
+          else String.format(generalGetString(R.string.conn_level_desc_indirect), connLevel)
+        InfoRow(stringResource(R.string.info_row_connection), connLevelDesc)
+      }
+      SectionDividerSpaced()
+    }
+
     SectionView(title = stringResource(R.string.conn_stats_section_title_servers)) {
       SwitchAddressButton(switchContactAddress)
       if (connStats != null) {

apps/android/app/src/main/res/values/strings.xml

@@ -1140,6 +1140,7 @@
   <string name="member_will_be_removed_from_group_cannot_be_undone">Member will be removed from group - this cannot be undone!</string>
   <string name="remove_member_confirmation">Remove</string>
   <string name="member_info_section_title_member">MEMBER</string>
+  <string name="contact_info_section_title_contact">CONTACT</string>
   <string name="role_in_group">Role</string>
   <string name="change_role">Change role</string>
   <string name="change_verb">Change</string>