Add various improvements to mod_muc_light

[kamilwaz]

This PR introduces several MUC Light improvements:

• Adds support for per-room configuration options that override the corresponding module options (all_can_configure and all_can_invte)
• Adds the promote_on_last_owner_leave option to control whether the last owner can leave without promoting another occupant
• Fixes a bug that allowed members to demote owners in rooms with multiple owners
• Updates the MUC Light documentation

MIM-2756

[mongoose-im]

CircleCI results for f9b01fd

---

small_tests_legacy / small_tests / 1d573ef
Reports root / small

---

small_tests_latest / small_tests / 1d573ef
Reports root / small

---

small_tests_latest_arm64 / small_tests / 1d573ef
Reports root / small

---

ldap_mnesia_latest / ldap_mnesia / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 2316 / Failed: 0 / User-skipped: 1567 / Auto-skipped: 0

---

internal_mnesia_latest / internal_mnesia / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 2465 / Failed: 0 / User-skipped: 1418 / Auto-skipped: 0

---

dynamic_domains_pgsql_cets_legacy / pgsql_cets / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 5177 / Failed: 0 / User-skipped: 237 / Auto-skipped: 0

---

dynamic_domains_pgsql_cets_latest / pgsql_cets / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 5177 / Failed: 0 / User-skipped: 237 / Auto-skipped: 0

---

pgsql_cets_latest / pgsql_cets / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 5498 / Failed: 0 / User-skipped: 213 / Auto-skipped: 0

---

pgsql_cets_legacy / pgsql_cets / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 5498 / Failed: 0 / User-skipped: 213 / Auto-skipped: 0

---

mysql_cets_latest / mysql_cets / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 5496 / Failed: 0 / User-skipped: 215 / Auto-skipped: 0

---

pgsql_redis_latest / pgsql_redis / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 5578 / Failed: 0 / User-skipped: 378 / Auto-skipped: 0

---

cockroachdb_cets_latest / cockroachdb_cets / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 5498 / Failed: 0 / User-skipped: 213 / Auto-skipped: 0

---

elasticsearch_and_cassandra_mnesia_latest / elasticsearch_and_cassandra_mnesia / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 3134 / Failed: 0 / User-skipped: 1444 / Auto-skipped: 0

mongoose_elasticsearch_SUITE:end_per_suite

{error,
  {{badrpc,
     {'EXIT',
       {#{what => event_already_registered,
        event_name => wpool_global_queue_lengths,
        labels => #{pool_type => elastic,pool_tag => default}},
        [{mongoose_instrument,set_up,3,
           [{file,
            "/home/circleci/project/src/instrument/mongoose_instrument.erl"},
          {line,114}]},
         {lists,foreach_1,2,[{file,"lists.erl"},{line,2641}]},
         {mongoose_wpool,start,5,
           [{file,
            "/home/circleci/project/src/wpool/mongoose_wpool.erl"},
          {line,162}]},
         {mongoose_wpool,'-start_configured_pools/3-lc$^1/1-1-',1,
           [{file,
            "/home/circleci/project/src/wpool/mongoose_wpool.erl"},
          {line,129}]},
         {mongoose_wpool,start_configured_pools,1,[]}]}}},
   [{distributed_helper,rpc,
      [#{node => mongooseim@localhost},
       mongoose_wpool,start_configured_pools,
       [[#{scope => global,tag => default,type => elastic,
         opts =>
           #{strategy => best_worker,workers => 10,
           call_timeout => 5000},
         conn_opts => #{port => 9200,host => <<"localhost">>}}]]],
      [{file,
         "/home/circleci/project/big_tests/../test/common/distributed_helper.erl"},
       {line,143}]},
    {test_server,ts_tc,3,[{file,"test_server.erl"},{line,1799}]},
    {test_server,run_test_case_eval1,6,
      [{file,"test_server.erl"},{line,1396}]},
    {test_server,run_test_case_eval,9,
      [{file,"test_server.erl"},{line,1240}]}]}...

Report log

---

pgsql_mnesia_latest / pgsql_mnesia / 1d573ef
Status: 🟢 Passed
Reports root/ big
OK: 5612 / Failed: 0 / User-skipped: 344 / Auto-skipped: 0

[codecov]

Codecov Report

❌ Patch coverage is 73.91304% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.16%. Comparing base (e24bfee) to head (1d573ef).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
src/muc_light/mod_muc_light.erl	0.00%	9 Missing ⚠️
src/muc_light/mod_muc_light_room_config.erl	75.00%	2 Missing ⚠️
src/muc_light/mod_muc_light_room.erl	94.11%	1 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (e24bfee) and HEAD (1d573ef). Click for more details.

HEAD has 13 uploads less than BASE

Flag	BASE (e24bfee)	HEAD (1d573ef)
	14	1

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #4749       +/-   ##
===========================================
- Coverage   86.91%   75.16%   -11.76%     
===========================================
  Files         554      554               
  Lines       33497    33484       -13     
===========================================
- Hits        29115    25168     -3947     
- Misses       4382     8316     +3934     

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