browser: only use cache when going back

BOARD.txt

@@ -30,7 +30,6 @@ click on links to open them
 bug: can't reload bebop: pages
 bug: exiting editor breaks curses
 dumb rendering mode per site
-disable cache per site
 well, preferences per site maybe?
 download without memory buffer
 download in the background

bebop/browser/browser.py

@@ -317,7 +317,7 @@ class Browser:
         return result
 
     def open_url(self, url, base_url=None, redirects=0, assume_absolute=False,
-                 history=True, use_cache=True):
+                 history=True, use_cache=False):
         """Try to open an URL.
 
         This function assumes that the URL can be from an user and thus tries a
@@ -516,7 +516,7 @@ class Browser:
         else:
             previous_url = self.history.get_previous()
         if previous_url:
-            self.open_url(previous_url, history=False)
+            self.open_url(previous_url, history=False, use_cache=True)
 
     def go_to_parent_page(self):
         """Go to the parent URL if possible."""

bebop/browser/gemini.py

@@ -26,7 +26,7 @@ def open_gemini_url(
     browser: Browser,
     url: str,
     redirects: int =0,
-    use_cache: bool =True,
+    use_cache: bool =False,
     cert_and_key=None
 ) -> Optional[str]:
     """Open a Gemini URL and set the formatted response as content.
@@ -314,7 +314,6 @@ def _handle_cert_required(
         browser,
         url,
         redirects=redirects + 1,
-        use_cache=False,
         cert_and_key=(cert_path, key_path)
     )