fix: allow skipped previews to be reloaded (gokcehan#2292)

* fix: allow skipped previews to be reloaded

* Update `CHANGELOG.md`

Author: joelim-work

CHANGELOG.md

@@ -8,6 +8,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 - `Added`
 - `Fixed`
 
+## r40 (Unreleased)
+
+### Fixed
+
+- A bug where file previews fail to load properly when scrolling quickly is now fixed (#2292).
+
 ## [r39](https://github.com/gokcehan/lf/releases/tag/r39)
 
 ### Changed

nav.go

@@ -930,7 +930,7 @@ func (nav *nav) preview(path string, win *win, mode string) {
 
 func (nav *nav) loadReg(path string, volatile bool) *reg {
 	r, ok := nav.regCache[path]
-	if !ok {
+	if !ok || (!gOpts.preload && r.loading) {
 		r = &reg{loading: true, loadTime: time.Now(), path: path}
 		nav.regCache[path] = r
 		nav.startPreview()