Exporter: explicitly normalize variable names (databricks#1835)

Otherwise, variable name may contain dots & other characters when secrets/secret scopes
are containing them

exporter/context.go

@@ -95,6 +95,11 @@ var nameFixes = []regexFix{
  {regexp.MustCompile(`[_]{2,}`), "_"},
 }
 
+// less aggressive name normalization
+var simpleNameFixes = []regexFix{
+ {nameNormalizationRegex, "_"},
+}
+
 var workspaceConfKeys = map[string]any{
  "enableIpAccessLists": false,
  "enableTokensConfig": false,
@@ -555,8 +560,8 @@ func (ic *importContext) dataToHcl(i importable, path []string,
  }
  for _, r := range i.Depends {
  if r.Path == pathString && r.Variable {
- // sensitive fields are moved to variable depends
- raw = i.Name(ic, d)
+ // sensitive fields are moved to variable depends, variable name is normalized
+ raw = ic.regexFix(i.Name(ic, d), simpleNameFixes)
  ok = true
  }
  }