patch 9.1.1604: completion: incsearch highlight might be lost

Problem:  completion: incsearch highlight might be lost after search
          completion (Hirohito Higashi)
Solution: Restore incsearch highlight after dismissing pum with Ctrl-E
          (Girish Palya)

related: #17870
closes: #17891

Signed-off-by: Christian Brabandt <cb@256bit.org>

Author: girishji

src/ex_getln.c

@@ -2113,13 +2113,10 @@ getcmdline_int(
 	{
 #ifdef FEAT_SEARCH_EXTRA
 	    // Apply search highlighting
-	    if (wild_type == WILD_APPLY)
-	    {
-		if (is_state.winid != curwin->w_id)
-		    init_incsearch_state(&is_state);
-		if (KeyTyped || vpeekc() == NUL)
-		    may_do_incsearch_highlighting(firstc, count, &is_state);
-	    }
+	    if (is_state.winid != curwin->w_id)
+		init_incsearch_state(&is_state);
+	    if (KeyTyped || vpeekc() == NUL)
+		may_do_incsearch_highlighting(firstc, count, &is_state);
 #endif
 	    wild_type = 0;
 	    goto cmdline_not_changed;

src/testdir/dumps/Test_search_wildmenu_9.dump

@@ -0,0 +1,10 @@
+|t+0&#ffffff0|h|e| @71
+|t+1&&|h|e+0&&|s|e| @69
+|t|h|e| @71
+|f|o@1|b|a|r| @68
+|t|h|e|t|h|e| @68
+|t|h|e|t|h|e|r|e| @66
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|/+0#0000000&|t|h> @71

src/testdir/test_cmdline.vim

@@ -4631,6 +4631,12 @@ func Test_search_wildmenu_screendump()
   call term_sendkeys(buf, "\<c-n>\<c-y>")
   call VerifyScreenDump(buf, 'Test_search_wildmenu_8', {})
 
+  " 'incsearch' highlight is restored after dismissing popup (Ctrl_E)
+  call term_sendkeys(buf, "\<esc>:set wop=pum is hls&\<cr>")
+  call term_sendkeys(buf, "gg/th\<tab>\<c-e>")
+  call TermWait(buf, 50)
+  call VerifyScreenDump(buf, 'Test_search_wildmenu_9', {})
+
   call term_sendkeys(buf, "\<esc>")
   call StopVimInTerminal(buf)
 endfunc

src/version.c

@@ -719,6 +719,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1604,
 /**/
     1603,
 /**/