UI: Operator Props Dialog Changes

Changes to WM_operator_props_dialog_popup to allow configuration,
including via python, and with look consistent with new confirms.

@@ -221,0 +229,4 @@
+{
+  title = RNA_translate_ui_text(title, text_ctxt, nullptr, nullptr, translate);
+  confirm_text = RNA_translate_ui_text(confirm_text, text_ctxt, nullptr, nullptr, translate);
+  return WM_operator_props_dialog_popup(C, op, width, title, confirm_text, cancel_default);

@@ -1675,0 +1684,4 @@
+/* Only invoked by Cancel button in popups created with wm_block_dialog_create() */
+static void dialog_cancel_cb(bContext *C, void *arg1, void *arg2)
+{
+  wmOpPopUp *data = static_cast<wmOpPopUp *>(arg1);

@@ -867,2 +881,4 @@
   rna_generic_op_invoke(func, WM_GEN_INVOKE_SIZE | WM_GEN_INVOKE_RETURN);
 
+  parm = RNA_def_property(func, "title", PROP_STRING, PROP_NONE);
+  RNA_def_property_ui_text(parm, "Title", "Optional text to show as title of the title.");

@@ -869,0 +887,4 @@
+      parm,
+      "Confirm Text",
+      "Optional text to show instead to the default \"OK\" confirmation button text.");
+  parm = RNA_def_property(func, "cancel_default", PROP_BOOLEAN, PROP_NONE);

@@ -869,0 +900,4 @@
+                        "Override automatic translation context of the given text");
+  RNA_def_property_clear_flag(parm, PROP_NEVER_NULL);
+  RNA_def_boolean(
+      func, "translate", true, "", "Translate the given text, when UI translation is enabled");