patch 8.2.1580: wildmenu does not work properly
Problem: Wildmenu does not work properly.
Solution: Do not call may_do_incsearch_highlighting() if completion is in
progress.
diff --git a/src/testdir/dumps/Test_wildmenu_1.dump b/src/testdir/dumps/Test_wildmenu_1.dump
new file mode 100644
index 0000000..a118969
--- /dev/null
+++ b/src/testdir/dumps/Test_wildmenu_1.dump
@@ -0,0 +1,8 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|v+0#0000001#ffff4012|i|m|9|s|c|r|i|p|t| +3#0000000#ffffff0@1|v|i|m|g|r|e|p| @1|v|i|m|g|r|e|p|a|d@1| @43
+|:+0&&|v|i|m|9|s|c|r|i|p|t> @63
diff --git a/src/testdir/dumps/Test_wildmenu_2.dump b/src/testdir/dumps/Test_wildmenu_2.dump
new file mode 100644
index 0000000..46b41ae
--- /dev/null
+++ b/src/testdir/dumps/Test_wildmenu_2.dump
@@ -0,0 +1,8 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|v+3#0000000&|i|m|9|s|c|r|i|p|t| @1|v+0#0000001#ffff4012|i|m|g|r|e|p| +3#0000000#ffffff0@1|v|i|m|g|r|e|p|a|d@1| @43
+|:+0&&|v|i|m|g|r|e|p> @66
diff --git a/src/testdir/dumps/Test_wildmenu_3.dump b/src/testdir/dumps/Test_wildmenu_3.dump
new file mode 100644
index 0000000..4474936
--- /dev/null
+++ b/src/testdir/dumps/Test_wildmenu_3.dump
@@ -0,0 +1,8 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|v+3#0000000&|i|m|9|s|c|r|i|p|t| @1|v|i|m|g|r|e|p| @1|v+0#0000001#ffff4012|i|m|g|r|e|p|a|d@1| +3#0000000#ffffff0@43
+|:+0&&|v|i|m|g|r|e|p|a|d@1> @63
diff --git a/src/testdir/dumps/Test_wildmenu_4.dump b/src/testdir/dumps/Test_wildmenu_4.dump
new file mode 100644
index 0000000..3703fd5
--- /dev/null
+++ b/src/testdir/dumps/Test_wildmenu_4.dump
@@ -0,0 +1,8 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|v+3#0000000&|i|m|9|s|c|r|i|p|t| @1|v|i|m|g|r|e|p| @1|v|i|m|g|r|e|p|a|d@1| @43
+|:+0&&|v|i|m> @70