Pass step= to form to allow half GiB (if below 10). (#1084)

This addresses #1083.
A bit hacky, unfortunately, but workable.

Signed-off-by: Kurt Garloff <kurt@garloff.de>

Author: garloff

Tests/iaas/scs_0100_flavor_naming/flavor-form.py

@@ -124,7 +124,9 @@ def make_component_form(spec, component):
         elif fdesc[0:2] == "##":
             # Float number => NUMBER
             print(f'\t  <label for="{fname}">{fdesc[2:]}:</label><br/>')
-            print(f'\t  <input type="number" name="{path}" id="{fname}" min=0 value="{value}" size=5/>')
+            # FIXME: This is a hack: we hardcode step=0.5 knowing that RAM is the only float
+            step = 0.5
+            print(f'\t  <input type="number" name="{path}" id="{fname}" min={step} step={step} value="{value}" size=5/>')
         elif fdesc[0] == "#":
             # Float number => NUMBER
             if fdesc[1] == ".":