various path fixes for links to extensions, fix relative paths in links

quartz/plugins/transformers/lastmod.ts

@@ -36,6 +36,7 @@ export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options> | und
               } else if (source === "frontmatter" && file.data.frontmatter) {
                 created ||= file.data.frontmatter.date
                 modified ||= file.data.frontmatter.lastmod
+                modified ||= file.data.frontmatter.updated
                 modified ||= file.data.frontmatter["last-modified"]
                 published ||= file.data.frontmatter.publishDate
               } else if (source === "git") {

quartz/plugins/transformers/links.ts

@@ -79,9 +79,8 @@ export const CrawlLinks: QuartzTransformerPlugin<Partial<Options> | undefined> =
               ) {
                 if (!isAbsoluteUrl(node.properties.src)) {
                   let dest = node.properties.src as RelativeURL
-                  const ext = path.extname(node.properties.src)
                   dest = node.properties.src = transformLink(curSlug, dest, transformOptions)
-                  node.properties.src = dest + ext
+                  node.properties.src = dest
                 }
               }
             })

quartz/plugins/transformers/ofm.ts

@@ -196,7 +196,7 @@ export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>
               // embed cases
               if (value.startsWith("!")) {
                 const ext: string = path.extname(fp).toLowerCase()
-                const url = slugifyFilePath(fp as FilePath) + ext
+                const url = slugifyFilePath(fp as FilePath)
                 if ([".png", ".jpg", ".jpeg", ".gif", ".bmp", ".svg"].includes(ext)) {
                   const dims = alias ?? ""
                   let [width, height] = dims.split("x", 2)