Trying to fix issues in Catalina

- Some users report that osascript cannot run our browser detection code
due to permissioin issues. This commit checks for macOS version and
skips the call that we guess is the root of error (asking System Events
to return name of all running processes)

res/workflow/get-current-url.applescript

@@ -1,5 +1,15 @@
 on appIsRunning(appName)
+    set osver to system version of (system info)
+    considering numeric strings
+        set catalina to (osver >= "10.15" and osver < "10.16")
+    end considering
+    if catalina then
+        return true
+    end if
     tell application "System Events" to (name of processes) contains appName
+    -- set processName to run script "tell application \"System Events\" to (name of processes)"
+    -- set ret to processName contains appName
+    -- return ret
 end appIsRunning