org.el: Add function to indent environment inserted by cdlatex-enviroment

* lisp/org.el (org-cdlatex-environment-indent): New function.

New function is bound to "\C-c{" in `org-cdlatex-mode-map' to add
a LaTeX environment and indent it.

TINYCHANGE

lisp/org.el

@@ -18412,7 +18412,7 @@ When a buffer is unmodified, it is just killed.  When modified, it is saved
 (org-defkey org-cdlatex-mode-map "^" 'org-cdlatex-underscore-caret)
 (org-defkey org-cdlatex-mode-map "`" 'cdlatex-math-symbol)
 (org-defkey org-cdlatex-mode-map "'" 'org-cdlatex-math-modify)
-(org-defkey org-cdlatex-mode-map "\C-c{" 'cdlatex-environment)
+(org-defkey org-cdlatex-mode-map "\C-c{" 'org-cdlatex-environment-indent)
 
 (defvar org-cdlatex-texmathp-advice-is-done nil
   "Flag remembering if we have applied the advice to texmathp already.")
@@ -18490,6 +18490,13 @@ Revert to the normal definition outside of these fragments."
     (let (org-cdlatex-mode)
       (call-interactively (key-binding (vector last-input-event))))))
 
+(defun org-cdlatex-environment-indent (&optional environment item)
+  "Execute `cdlatex-environment' and indent the inserted environment."
+  (interactive)
+  (cdlatex-environment environment item)
+  (let ((element (org-element-at-point)))
+    (org-indent-region (org-element-property :begin element)
+		       (org-element-property :end element))))
 
 
 ;;;; LaTeX fragments