Fix: (org-ql-completing-read) Format links before display

Also use org-entry-get to get the heading, which should avoid issues
with different Org versions having different optional arguments to
org-get-heading.

README.org

@@ -547,6 +547,7 @@ Simple links may also be written manually in either sexp or non-sexp form, like:
 
 *Fixes*
 + Function ~org-ql-completing-read~ is more compatible with default Emacs completion.  (See [[https://github.com/alphapapa/org-ql/issues/338][#338]].  Thanks to [[https://github.com/arozbiz][arozbiz]] for reporting.)
++ In ~org-ql-completing-read~, format links for display, and use ~org-entry-get~ internally rather than ~org-get-heading~.
 
 ** 0.7
 

org-ql-completing-read.el

@@ -116,7 +116,7 @@ single predicate)."
                  ;; without properties, so we have to use `org-get-heading', which added additional
                  ;; optional arguments in a certain Org version, so in those versions, it will
                  ;; return priority cookies and comment strings.
-                 (let ((heading (org-get-heading t t)))
+                 (let ((heading (org-link-display-format (org-entry-get (point) "ITEM"))))
                    (when (gethash heading table)
                      ;; Disambiguate heading (even adding the path isn't enough, because that could
                      ;; also be duplicated).

org-ql.info

@@ -1,4 +1,4 @@
-This is README.info, produced by makeinfo version 5.2 from README.texi.
+This is README.info, produced by makeinfo version 6.7 from README.texi.
 
 INFO-DIR-SECTION Emacs
 START-INFO-DIR-ENTRY
@@ -1030,6 +1030,8 @@ File: README.info,  Node: 071-pre,  Next: 07,  Up: Changelog
      Emacs completion.  (See #338
      (https://github.com/alphapapa/org-ql/issues/338).  Thanks to
      arozbiz (https://github.com/arozbiz) for reporting.)
+   • In ‘org-ql-completing-read’, format links for display, and use
+     ‘org-entry-get’ internally rather than ‘org-get-heading’.
 
 
 File: README.info,  Node: 07,  Next: 063,  Prev: 071-pre,  Up: Changelog
@@ -1717,71 +1719,71 @@ GPLv3
 
 Tag Table:
 Node: Top225
-Node: Contents1812
-Node: Screenshots1935
-Node: Installation2053
-Node: Quelpa2567
-Node: Helm support3095
-Node: Usage3498
-Node: Commands3896
-Node: org-ql-find4340
-Node: org-ql-refile4806
-Node: org-ql-search5129
-Node: helm-org-ql6825
-Node: org-ql-view7203
-Node: org-ql-view-sidebar7733
-Node: org-ql-view-recent-items8113
-Node: org-ql-sparse-tree8609
-Node: Queries9409
-Node: Non-sexp query syntax10526
-Node: General predicates12285
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-Node: Date/time predicates20400
-Node: Functions / Macros23524
-Node: Agenda-like views23822
-Ref: Function ‘org-ql-block’23984
-Node: Listing / acting-on results25245
-Ref: Caching25453
-Ref: Function ‘org-ql-select’26366
-Ref: Function ‘org-ql-query’28792
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-Ref: Macro ‘org-ql-defpred’31105
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-Node: org-sidebar65783
-Node: License66062
+Node: Contents1785
+Node: Screenshots1908
+Node: Installation2026
+Node: Quelpa2540
+Node: Helm support3068
+Node: Usage3471
+Node: Commands3869
+Node: org-ql-find4313
+Node: org-ql-refile4779
+Node: org-ql-search5102
+Node: helm-org-ql6798
+Node: org-ql-view7176
+Node: org-ql-view-sidebar7706
+Node: org-ql-view-recent-items8086
+Node: org-ql-sparse-tree8582
+Node: Queries9382
+Node: Non-sexp query syntax10499
+Node: General predicates12258
+Node: Ancestor/descendant predicates19245
+Node: Date/time predicates20373
+Node: Functions / Macros23497
+Node: Agenda-like views23795
+Ref: Function org-ql-block23957
+Node: Listing / acting-on results25218
+Ref: Caching25426
+Ref: Function org-ql-select26339
+Ref: Function org-ql-query28765
+Ref: Macro org-ql (deprecated)30539
+Node: Custom predicates30854
+Ref: Macro org-ql-defpred31078
+Node: Dynamic block34519
+Node: Links37243
+Node: Tips37930
+Node: Changelog38254
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+Node: Notes64823
+Node: Comparison with Org Agenda searches64985
+Node: org-sidebar65874
+Node: License66153
 
 End Tag Table