fix: properly compute relative path for explorer (closes #1055, #1066)

Jacky Zhao

2024-06-18 265faef4e8717eab9678a5515ca9150b7776b148

 quartz/components/renderPage.tsx

@@ -118,11 +118,12 @@
              // skip until we find the blockref that matches
              if (el.properties?.id === blockRef) {
                startIdx = i
                startDepth = Number(el.tagName.substring(1))
                startDepth = depth
              }
            } else if (depth <= startDepth) {
              // looking for new header that is same level or higher
              endIdx = i
              break
            }
          }